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Progress test unit 1

  • Progress test unit 1. b) They need to Unit 1 Progress Test Answer Key - Version A - Free download as PDF File (. The process of dehydration synthesis creates these peptide bonds, as shown in Figure 1. The vocabulary section covers topics like opposites, jobs, family relationships, and everyday objects. 1 Who are David and Amber speaking to? a a classmate b a teacher c a radio presenter Score __/2 14 Listen again and choose the correct answers to complete the sentences. Score __/2 14 Listen again and choose the correct answer. to fall to pieces. 2 2Marta talks about her school timetable/daily routine. Progress Test Unit 1-4. On Tuesday, he didn't go to school and watched DVDs all day. 5 They will learn much more, if. Steve No, he looks very different now. Study with Quizlet and memorize flashcards containing terms like Use of English - Part 1 - Multiple - choice cloze, 0. 2 We’re on a bus now, we _____ to another part of the city. This document contains a 40 question progress test for a B1 level English class. The grammar section tests This document contains a grammar test with multiple choice questions about the past perfect simple and past perfect continuous tenses. In slash-and-burn agriculture, burning organic matter releases carbon into the atmosphere. Country: Vietnam. _____ Phosphorus is used to make nucleic acids and certain lipids. 1 Speaker 1 a writing computer code 2 Speaker 2 b doing DIY 3 Speaker 3 c singing in a choir 4 Speaker 4 d baking bread 5 Speaker 5 e designing clothes Score __/5 14 Listen again. 1 1 I can’t access my Twitter account, so I’ve tagged the problem to their Help team. I Jul 15, 2021 · School subject: English language (1061957) Main content: School objects (2011739) From worksheet author: Test unit 1. AP US History Cram Period 3: 1754-1800 (3-9-21) Progress Test Unit 3 GRAMMAR A 1 c 2 a 3 e 4 d 5 b B had finished 2 was raining 3 played / had played 4 hadn’t cleaned 5 did you do C 1 as soon as 2 as soon as 3 As long as 4 unless 5 in case D 1 was chatting 2 hadn’t seen 3 occasionally played 4 As long as 5 Provided 6 had been working 7 were you living 8 unless 9 were looking 10 in case It can be a challenge at first living in a ___________ country. Solutions Third Edition Pre-Intermediate Tests 1 Unit 1 Progress Test A Unit 1 Progress Test A Grammar 1 Complete the dialogue. chat do make play travel work write 1 They _____ today because it’s a holiday. The figure below shows force diagrams for each box. I booked a court yesterday. UNIT 6 Progress test Standard Grammar 5 Complete the sentences with the present continuous form of the verbs in brackets. Language: English (en) ID: 894829. ’ Progress Test Unit 1 - Free download as Word Doc (. is the most-used meter in literature. Level 1 downloads. 1 You am not / aren’t from Canada. Country code: RU. 3. beztlenowy. The test consisted of multiple choice questions testing vocabulary related to q. 1 year 1 month. Already have an account? Destination B1 Test 1 Unit 1-21 quiz for 7th grade students. 4 This am/is a photo of my family. View Unit 1 - Progress Test 1_ Revisión del intento. exam, you’ll have to take it again. 1 B 2 A 3 C 4 C 5 A 6 B 7 C 8 B 9 A 0 C 11 B 12 C 13 A 14 C 15 C 16 C 17 merican 18 opular 19 panish 20 rance 21 orrible 22 razilian 23 uiet 24 riendly 25 A 26 C 27 B 28 C 29 C 30 A 31 A 32 B 33 B 34 C 35 B 36 C 37 A 38 C 39 A 40 C Max sends lots of text messages every day; how about you? She is having a party at her house now. The vocabulary section lists 20 words and their definitions. Jan 16, 2024 · Unit 1 - Progress Test - Empower A2. 1 ‘I don’t usually do well in quizzes. As Columbus embarked on his first transatlantic voyage Feb 12, 2024 · Unit 1 - progress test - Empower B1 plus Unit 1 - progress test - Empower B1 plus. The document contains a grammar, vocabulary, and reading comprehension test for students studying English. 1 Elizabeth Banks is a model/photographer. This introduction to the course spans 1200–1450 in the following locations: Africa, Afro-Eurasia, Europe, the Americas, and East, South, and Southeast Asia. 1 4I _____ go swimming tomorrow, but I’m not sure. I’m English. doc / . Wersja A | PDF. 2 Silvia and Paolo are/am Brazilian. Chloe’s parents have always supported her so that she UNIT 6 Progress test Higher Grammar 5 Complete the sentences with the present continuous form of the verbs in the box. 2 ‘Kylie is managing her time with an app. 4 5 25 57 1938 1962 1970s 1 The total number of superheroes that podcast listeners suggested. Pbld b ll do do o tur d tur d T b oood d d l. Unit 1 Progress Check: MCQ AP Classroom 2021 AP Physics C: Mechanics Learn with flashcards, games, and more — for free. Study guides & practice questions for 7 key topics in AP World Unit 1 – The Global Tapestry, 1200-1450. Level: B2. Sue 1 _____ (you / go) to Jenny’s party last night? Joe No, I 2 _____ (stay) at home. I . Country code: VN. Rework the Skill Builder and Self Check exercises in the lessons of Units 1 and 2 to be sure that you have mastered the material. 1st edition Oxford Solutions Pre-Int Progress Test Unit 1 A - Free download as PDF File (. The test instructions specify it should take 40 minutes to complete and all questions are worth 1 point each. assonance. Study with Quizlet and memorize flashcards containing terms like insist, impossible, complain and more. 1/9/2021 Unit 1 - Progress Test 1: Revisión del intento Área personal / Mis cursos / The document contains answer keys and transcripts for English language tests. When the pop singer was looking FOR A . Test your Unit 1 knowledge with the following multiple The question of how to lead a meaningful life "in a transitional period" (paragraph 9, sentence 1) In the opening sentences of the passage ("Now I know . You _________ the hotel room and I'll go and buy the train tickets. The best places a–f. Age: 12+. Other contents: May 10, 2024 · AP Cram Sessions 2021. They teach students from home via . On Wednesday, he went shopping and bought a birthday present for Tom. Click the card to flip 👆. B. UNIT 1 Standard Progress test Reading Teaching online Every year more teachers teach online. She . 00. 6 Did you ever eat/Have you UNIT 7 Progress test Standard Name: _____ Result: __/100 Vocabulary 1 The verbs in bold are in the wrong sentences. 1 The article Ana is reading says that even reliable news sites/newspapers have pop-up ads. Identify an environmental problem that results from elevated atmospheric carbon concentrations. It also includes two transcripts for listening comprehension questions that discuss the history of a city and a person's life growing up in a different country and moving to Britain. UNIT 6 Progress test Higher Grammar 5 Complete the sentences with the present continuous form of the verbs in the box. Wersja A by patrycja3kami-699543. 7 and 0. Unit 1 - Progress Test 1. preceded the Atlantic connection. Study with Quizlet and memorize flashcards containing terms like As a compromise, the framers agreed on a bicameral legislature, with the House of Representatives elected by popular vote within states and the Senate selected by state legislatures. be late tomorrow – I promise! 3 Oh no, look at all this homework anaerobic. 1 . School subject: English as a Second Language (ESL) (1061958) Main content: Tests and exams (2013231) From worksheet author: Business Result Intermediate, progress test 1. pdf from GENERAL SC 101 at Pontifical Catholic University of Puerto Rico. The masses of the boxes are m1, m2, and m3, where m3>m2>m1. Yes, maybe you could. Nataliia_English. Giải thích chi tiết các Navigate B1+ Progress Test 1A (Units 1-3) - Free download as Word Doc (. Chloe’s parents have always supported her so that she EMPOWER B1+ Unit Progress Test 1 - Free download as Text File (. Welcome to DLSCRIB. 1. MissNoelia2023. It includes multiple choice questions, fill-in-the-blank, and short answer questions testing various grammar and vocabulary topics. They don’t work in a school. 4 We are computer programmers. Country code: UA. 5, 0. rozpaść się na kawałki. Country: Russia. 1 Marta lives in Spain/Ireland. Without phosphorus atoms, nucleic acids and lipids cannot be made for the plant to use for growth. There's a party at Rachel's house now. Score __/6 6 Complete the sentences with the correct negative form of be. doc), PDF File (. It tests the use of verbs like "have got" and articles, asks 1 Listen to a conversation. Progress Test 1 - Free download as PDF File (. Age: 14+. UNIT 1 Standard Progress test Listening 13 Listen to a conversation and answer the question. VOCABULARY A Complete the sentences using the words in the box. 3 I’m in English class at the moment. Exercise 6. Prepare_level_6_progress_tests - Free download as PDF File (. pdf) or read online for free. 2 We aren’t from Egypt. For each one, choose the best reply. iex_3e_tests_preint_u1 - Free download as PDF File (. 1If it snows tomorrow, they will cancel the match. . Study with Quizlet and memorize flashcards containing terms like to mend, to doubt, urgent and more. UNIT 8 Progress test Name: _____ Result: __/100 Vocabulary 1 Match definitions 1–6 with I like to be active on holiday and have fun. this film twice. UNIT 5 Progress test Standard Listening 13 Listen to a radio interview about how to look good in photos. Tina I think they’re nice. Great empires—in the Valley of Mexico, on the Mississippi River . Then complete the notes below with numbers or dates. platykurtic. 215. Apr 9, 2021 · Progress Test Unit 1. 0 aYou am /are from America. (3) The test contains sections on listening, choosing missing words, filling in blanks, selecting answers, and completing sentences to Exercise 5. 6 You am/are from Moscow. It includes keys for grammar, vocabulary, reading, listening, and use of English exercises. 2. (2) It provides instructions for a 40 minute, 40 question test covering various language skills. 🌶️ APUSH Cram Review: Period 1: 1491-1607 + Period 2: 1607-1754. You will hear the interview twice. School subject: English as a Second Language (ESL) (1061958) Main content: Mixed tenses (2012435) From worksheet author: Test Uni1- Get involved B2. It includes keys for grammar, vocabulary, reading, listening and use of English sections. Our AP World History Unit 1 practice test covers “The Global Tapestry. Scribd is the world's largest social reading and publishing site. 167. Login. "Stop a dog on the hot rocks" is an example of. This document is a progress test for unit 1 that contains incomplete sentences to be filled in using the past perfect, past continuous, or used to tenses. Grammar . The document provides context, questions, and in some cases, response options for students to choose from to A2 Unit Progress Test Answer Key Award one mark for each correct answer. 22/06/2022. Search. 3 I’m in my English class at the moment. 1 How much of New Zealand is made up of natural parks? a over half the country b one-third of the country Jun 29, 2023 · 29/06/2023. 2 Elizabeth says that bad photos are sometimes/never taken of models. didn’t have/haven’t had. File 1: Progress Progress Test Unit 1 Amer b tart Tests. 6-0. went/has been. Country: Argentina. School subject: English language (1061957) Main content: Empower b1-unit 1-progress test (1778214) From worksheet author: Empower b1-unit 1-progress test. Other contents: numbers- colours. Find other quizzes for English and more on Quizizz for free! EMPOWER B1+ Unit Progress Test 1 - Free download as Word Doc (. Member for. 3 If you don’t pass your maths. 2 Mexico City is the capital of _____ . 0 cm, respectively and composite (not graded) and four doses of N ie 0, 60, 120 1. Progress Test - Unit 1 - Click on 4 Solutions Third Edition Elementary Tests 3 Unit 1 Progress Test B Use of English 7 Complete the dialogue with the correct answers. She isn’t a famous actor or singer. the beats, pattern, or movement in a poem. For each question there is a single correct answer that matches the answer provided. Track 2 A Listen to the interview with Alicia Chavez, an expert in news media and new technology. 2 We’re on a bus now, we _____ (travel) to another part of the city. I’m going to / I’ll . Progress Test UNIT 1: Grammar | PDF. There are two extra numbers. 1 min read. Country: Ukraine. Loading ad MissNoe2023 Member for 1 year 2 months Age: 12+ 1 Progress Test 1 (Units 1–3) LISTENING. The questions appear to test understanding of short conversational A field study was conducted to sort out the nitrogen and seed sizes effects on yield and yield components of maize. txt), PDF File (. Choose the correct answer - a, b or c - to the questions below. Choose the correct answers. Progress Test Unit 1 ntermediat Tests P c c tur ed tur T c c. 2 . 5 A: Are they German? B: Yes, they are. pas przybrzeżny. I’m not going to / I won’t. 2 Sam posted all of his friends in the photos from the Progress Checks. In the fourth and fifth paragraphs, the author defends her decision to marry George Bush by elaborating on. It is essential that you understand these topics to perform well on future evaluations and progress tests. ”. to Mexico last year. Iambic pentameter. foreshore. Instructions ••• 1 Don't worry about it - it's fine! Of course, it's no problem. UNIT 1 Progress test Standard Answer key Vocabulary Exercise 1 1 c 2 optimistice 3 f 4 d 5 b 6 a Exercise 2 1 btour 2 perform 3 sell out 4 record 5 live 6 release Exercise 3 1 satisfaction 2 embarrassment 3 optimism 4 surprise 5 boredom 6 sympathy Exercise 4 1 b 2 c 3 a 4 b 5 a 6 b 7 c Grammar Exercise 5 1 haven’t called 2 ’ve been writing UNIT 2 Progress test Standard Listening 13 Listen to five speakers talking about a course they have recently been on. AP US History Cram Periods 1-2 Review: 1491-1754. Rhythm is defined as. NASA Mars Rover Tour Mars Exploration Rovers first landed on Mars in January 1 _____ Names of the robot rovers: Spirit and Opportunity Facts about each rover: Spirit Opportunity UNIT 6 Progress test Standard Listening 13 Listen and answer the question. 1 Spain is/are a beautiful country. 2 They doesn’t travel/don’t travel by train; they get the bus. Sue I didn’t go either. txt) or read online for free. APES Unit 1 Progress Check: MCQ. GRAMMAR A Underline the correct word(s) in italics in each sentence. UNIT 4 Progress test Standard Listening 14 Listen to a tour guide at NASA giving a talk to some visitors. You will hear eight short sentences. 4 Do/Does your school have sofas in the library? 5 My friend has got/have got a pet turtle. Digital finance lektura. In the passage, the author is primarily concerned with. Multiple Choice. Jul 17, 2020 · Download now. _____ 2 When the Incredible Hulk appeared in a comic for the first time. color of my hair!"), the author refers to Alice Walker primarily to. Choose . play tennis tonight. won/has won. b makes videos. Use the past simple form of the verbs in brackets. It also includes vocabulary questions matching descriptions to adjectives and filling in a short text with the correct words. The reading comprehension section contains a short passage about family sizes around the world and the benefits of having siblings or being an only UNIT 1 Progress test Standard Reading Snowboarding champion! Chloe Kim is an American snowboarder. Cambridge English Empower b2 Progress Test, Cambridge English Empower B1+ Unit Progress Test 8: Answer Key | PDF. 3 They are at a meeting / hotel. The document is a progress test for levels A1 of grammar, vocabulary, listening, and reading in English. UNIT 1 Progress test Standard Reading Snowboarding champion! Chloe Kim is an American snowboarder. The content also covers religions and belief systems. an English test since last month. Study with Quizlet and memorize flashcards containing terms like apostrophe, speaker, simile and more. School subject: English as a Second Language (ESL) (1061958) Main content: Tests (2013149) From worksheet author: Test includes: Hobbies and sports, likes/dislikes, adverbs of frequency. party _____ the weekend. 1 Marta’s life now is … a very different to her old life b similar to her old life Nov 9, 2021 · 09/11/2021. Country code: AR. 2 points for each correct answer 10. Хуета Study with Quizlet and memorize flashcards containing terms like Three boxes are pulled to the left by strings with negligible mass on a horizontal surface, as shown above. 1 Name three activities the writer is encouraging people to do when they visit New Zealand. UNIT 6 Progress test Higher Grammar 5 Choose the correct answers 3to complete the sentences. Download APUSH Cheat Sheet PDF Cram Chart. 1 On Amber’s course she a learns from videos. UNIT 1 Progress test Higher Name: _____ Result: __/100 Vocabulary 1 Complete the sentences with the countries or nationalities in the box. 3 We ’re/’s from Los Angeles. Jul 8, 2022 · Hướng dẫn chi tiết lý thuyết và bài tập Destination B1 một cách chi tiết nhất, học tiếng anh đơn giản và hiệu quả cùng Miss Linh. pdf from ENGLISH 79 at Instituto Technologico Las Americas. 2 2Am / Are you from Spain? 3 3Yes, I am / aren’t. For each question there is a single correct answer option listed. Miguel Santiago completed a progress test for an English class, answering 11 out of 12 questions correctly for a score of 26/27 (96%). UNIT 8 Human Resources - Słowka. 1) Peter fell over and broke his arm on Monday. Four seed sizes ie small, medium, large having diameter of 0. 2 The woman’s name is Caroline Maziq / Masid. a flat curve; ther is not mode because all of the scores on the x-axis are the same. China/Chinese Japan/Japanese Mexico/Mexican Spain/Spanish UK/British the USA/American 1 Manchester is a _____ city. Progress 8 Answer Key. Score __/5 3 I’m in my English class at the moment. Other contents: listening and reading. The listening section involves matching The document provides answer keys and transcripts for an English language test. She sailed around the world on her own when she was 14 years old. 2If you don’t read the book first, you won’t understand the film. 09/04/2021. 1 Circle the correct words to complete the sentences. Match speakers 1–5 with correct courses a–e. 4 If we don’t leave now, we will miss the bus. 1 What does Ms Chavez say about newspapers? a) They will soon be replaced by the Internet. Country code: PL. You look similar 3___ your brother. pdf), Text File (. Cambridge English Empower b2 Progress Test - Free download as PDF File (. Download to read offline. BANDS - support - assistant - partner - help, 1. ’ Enya said that she _____ _____ in quizzes. acknowledge the potentially embarrassing circumstances under which she is delivering her speech. 8-1. I sol3e_preint_u1_progress_test_a - Free download as PDF File (. Discuss one consequence of the problem you identified. School subject: English as a Second Language (ESL) (1061958) Main content: Vocabulary and Grammar (2013240) From worksheet author: do the test. 3 Close-ups/Selfies can sometimes make our Progress Test1 Unit 1-3 - Free download as Word Doc (. saw/have seen. devastated disgusted furious relieved tense thrilled 0 I was disgusted to hear they served ants and cockroaches in the restaurant. dlatego, zatem. Then choose the correct option to complete the sentences. He’s got a big beard and a 4___! AP Psychology (Progress Test #1) Get a hint. Progress Test Unit 2 GRAMMAR A 1 A: Are you fans? B: No, we aren’t. 4 Did you visit/Have you visitedthe Acropolis when . The document contains a progress test with multiple choice, fill-in-the-blank, and short answer questions about grammar, vocabulary, and a short reading passage. This document provides an answer key for a progress test on vocabulary, grammar, functional language, listening, and reading comprehension. a will b might c am going to d can 2 James _____ university next year. The grammar section contains exercises on contractions, verb forms, word order in questions, and completing sentences with prepositions. Account 52. There are often many beds in the same room. Progress Test 1 (Units 1–3) - intermediate english progress test (units listening track listen to the interview with alicia chavez, an expert in news media and. Progress test 1 key. the school competition for the last three years. . usually have a "scheme" or follow a specific pattern. 4 years 10 months. The document contains 8 multiple choice questions with 3 answer options each. 4 The woman hasn’t got her laptop / mobile phone. The equilibrium price will be indeterminate, and the equilibrium quantity will decrease. they focus in class. UNIT 1 Progress test Standard Grammar 5 Choose the correct option. His basketball team . There are questions testing use of English skills like filling in gaps in a short text and rewriting sentences using "used to" or Jun 22, 2022 · ID: 2077129. When Allie uses her debit card to pay, it is declined because her balance is insufficient to cover the cost of the Brainy 4 Progress Test 1-4 A | PDF. I _____ (write) about unusual homes in my notebook. 16/01/2024. Different Emerging Technologies in Data Science Business Toys 2. 3 The flowers are beautiful. We . B 1 their2 My 3 your 4 her 5 his C 1 f 2 d 3 c 4 b 5 a VOCABULARY A 1 Algerian2 Portuguese 3 Icelandic 4 Scottish 5 Vietnamese B 1 WEDNESDAY2 FRIDAY C Progress Test - Unit 1 - Click on 4 - Free download as Word Doc (. 1 My boss was when he realised the There must be a horizontal wind opposite the direction of the stone's motion, because ignoring air resistance when calculating the horizontal range would yield a value greater than 32m. 2 Ana/Sean says that they get angry when ads appear when they are reading an article. 6/1/2021 Unit 1 - Progress Test 1: Revisión del intento Área personal / Mis cursos / Inglés AI Homework Help Nov 15, 2022 · 15/11/2022. UNIT 7 Progress test Reading My hero My hero is Laura Dekker. She was born in Long Beach, California, on 23 April 2000 and is famous for being the youngest woman to win an Olympic gold medal in snowboarding when she was just 17 years old. slides by Caleb Lagerwey. Complete the sentences with the correct verbs. Other contents: Hobbies and sports, likes/dislikes, adverbs of frequency. UNIT 4 Progress test Standard Listening 13 15 Listen to the interview and choose the correct option. File 1: Progress Check File 10: Progress Check File 11: Progress Check File 12: Progress Check File 2: Progress Check File 3: Progress Check File 4: Progress Check File 5: Progress Check File 6: Progress Check File 7: Progress Check File 8: Progress Check File 9: Progress Check. The sentences are about it raining when leaving the cinema without The debate over the role of the central government and state powers is ongoing. 144. Use May 15, 2024 · 20th Century Review - Slides. School subject: English as a Second Language (ESL) (1061958) Main content: Verb to be (2013208) From worksheet author: Loading ad Share / Print Worksheet. Level: a2. Feb 11, 2021 · 11/02/2021. It also includes transcripts for two listening passages. Loading ad Share / Print Worksheet UNIT 7 Progress test Standard Grammar 5 Complete the second sentence using reported speech and changing the time expressions if necessary. Register. 5 I ’m/’s 13 years old. On Thursday, he lost his mobile phone and If your answer is "no," you need to review the topics in Units 1 and 2 before you go on to the next unit. Language: English (en) ID: 7517246. doc - Free download as Word Doc (. B1 Unit 5 Progress Test. streamed by Caleb Lagerwey. Match each number with the correct information. Friction between the boxes and the surface is negligible. School subject: English as a Second Language (ESL) (1061958) Main content: Tests and exams (2013231) From worksheet author: Empower B2. docx), PDF File (. 1 A cheap place where travellers, especially young people, can stay. The document contains detailed answers and Solutions Third EditionPre-Intermediate Tests 1 Unit 5 Progress Test A Unit 5 Progress Test A . It is divided into 5 parts that test listening, reading, vocabulary, grammar and language use. UNIT 3- Angielski. The document contains 8 multiple choice questions with answer choices A, B, or C. A polypeptide is polymer of amino acids held together by peptide bonds. Empower Second Edition A1 Unit Progress Test 1 - Version A - Free download as PDF File (. pdf - Free download as PDF File (. "On the western side of the ocean, movements of people and ideas . a is going to b might be going c to go to d will go Download Cambridge English Empower B2 Unit Progress Test 1: Answer Key Free in pdf format. Country: Poland. Other contents: adjectives and clothes. Study with Quizlet and memorize flashcards containing terms like Allie is shopping when she finds a pair of running shoes priced at $90. q. 1 They _____ (not work) today because it’s a holiday. UNIT 8 Progress test Standard Listening 11 Listen to two friends, Sean and Ana, talking about pop-up ads. There are two extra verbs. therefore. The document provides essential information and answers for assessing student performance on an English test through concise answer keys and transcripts. The Greenhouse Effect can occur due to elevated amounts of carbon in the atmosphere. Unit 1 - Progress Test 1_ Revisión del intento - Free download as PDF File (. 1 / 15. you were in Greece? 5 . 1 Theman / woman is on business. 3 She teach/teaches French at the local school. 30 / 10. 1 I visits/visit my grandmother on Sundays. Other contents: Test. (1) The document is a B1 progress test for a student, consisting of 5 parts - a listening section and questions about plans, descriptions, emails, and sentences. 5 The time is 9. Tina Wow! You’ve got new 1___! Steve I’m not very keen 2___ them. 4 eNo, you am not Unit 1. An example (0) has been done for you. —had collapsed or declined in the centuries before 1492. APUSH College Board - Unit 1 Progress Check: MCQ. _____ _____ Score __/3 14 Listen again and choose the correct answers. The questions appear to test understanding of short conversational UNIT 7 Progress test Listening 12 Listen to the podcast. Which of the following processes is illustrated by the downward arrows from the atmosphere that show the conversion of nitrogen gas into usable forms available to producers? Click the card to flip 👆. In the opening sentences of the passage ("Now I know . pf hm lg po sx fl ii ng yb wc