<p>Unit 1 Part A 1. eighth 2. twelfth 3. fourth 4. sixth 5. seventh 6. fifth 7. eleventh 8. ninth 9. tenth 10. seventh</p><p>Part B 1. I am in the seventh grade. 2. Are you in the fifth grade? 3. What grade is he in? 4. Is Jenny in the ninth grade? 5. The eleventh box is black. 6. Yes, he is. He’s in the fourth grade.</p><p>Part C 1. ninth 2. sixth 3. She’s in the first grade. 4. No, I’m in the sixth grade. 5. What grade is your brother in? 6. No, his cousin is in the tenth grade.</p><p>Part D 1. fifth 2. grade 3. am not 4. the first 5. third 6. is 7. ten 8. the third Unit 2 Part A 1. pilot 2. doctor 3. mail carrier 4. police officer 5. driver 6. office worker 7. housekeeper 8. nurse 9. clerk 10. firefighter</p><p>Part B 1. I am a housekeeper. 2. Is Tom a firefighter? 3. They are bus drivers. 4. Yes, I am a clerk. 5. Who is the office worker? 6. What does Sandra do?</p><p>Part C 1. I’m a driver. 2. No, I’m a police officer. 3. What 4. firefighter 5. Are you a doctor? 6. Yes, he is.</p><p>Part D 1. an 2. do 3. do 4. is 5. am 6. am 7. a 8. aren’t Unit 3 Part A 1. science 2. English 3. social studies 4. Chinese 5. art 6. P.E. 7. music 8. math 9. social studies 10. science</p><p>Part B 1. She has art and Chinese classes. 2. Does Steven have math class on Tuesday? 3. My brother has English class today. 4. Her friend has music class today. 5. I have social studies and P.E. classes. 6. What subjects do her cousins like?</p><p>Part C 1. English and Chinese 2. No, I don’t have math. 3. has 4. What subjects 5. science 6. Do you have English today?</p><p>Part D 1. have 2. does 3. have 4. do 5. doesn’t 6. doesn’t 7. don’t have 8. has Unit 4 Part A 1. seldom 2. always 3. busy 4. never 5. sometimes 6. help 7. usually 8. often 9. cry 10. nervous</p><p>Part B 1. Sue and Ludi are usually sad. 2. She never studies. 3. My mother often goes swimming. 4. Does my uncle sometimes surf the Net? 5. Nancy is never tired in the morning. 6. Does Yoyo seldom cook?</p><p>Part C 1. are always 2. never work 3. sometimes 4. Do 5. Yes, she is. 6. never</p><p>Part D 1. are always 2. always watch TV 3. goes hiking 4. never 5. sometimes 6. often 7. is sometimes 8. sometimes Unit 5 Part A 1. winter 2. spring 3. cool 4. fall 5. warm 6. cold 7. windy 8. summer 9. hot 10. rainy</p><p>Part B 1. Is it sometimes cool in the fall? 2. No, it’s always cold in the winter. 3. Is it usually hot in the fall? 4. Is it usually rainy in the summer? 5. Yes, it’s seldom cloudy in the summer. 6. It’s always cold in the winter.</p><p>Part C 1. hot 2. always 3. How’s the weather in the summer? 4. warm and rainy 5. Yes, it often is. 6. winter</p><p>Part D 1. Is 2. sometimes rainy 3. and 4. Summer 5. isn’t 6. not often 7. and 8. always Unit 6 Part A 1. mop the floor 2. take a walk 3. do the laundry 4. water the plants 5. go climbing 6. sweep the floor 7. walk the dog 8. play chess 9. take a bath 10. do homework</p><p>Part B 1. They usually water the plants in the evening. 2. What does Robin usually do in the afternoon? 3. Yes, he always sweeps the floor in the afternoon. 4. Do they often go climbing in the morning? 5. Jerry often does the laundry after work. 6. Does her brother seldom walk the dog on Saturdays?</p><p>Part C 1. walk my dog 2. He usually goes to the park every morning. 3. No, we never do. 4. water the plants 5. How do you usually go to school? 6. No, they don’t often play chess.</p><p>Part D 1. do 2. takes a walk 3. water 4. go hiking 5. never 6. do 7. Does 8. doesn’t Unit 7 Part A 1. month 2. go abroad 3. once 4. year 5. go to the movies 6. twice 7. play the piano 8. week 9. play cards 10. three times</p><p>Part B 1. She goes abroad three times a year. 2. How often does Sandy play the piano? 3. How often do those boys have P.E. class? 4. I sweep the floor twice a day. 5. How often do we water the plants? 6. He walks the dog twice a month.</p><p>Part C 1. How often 2. No, she plays the piano three times a week. 3. She goes abroad once a month. 4. go to the movies 5. three times a week 6. mop the floor</p><p>Part D 1. once 2. How often 3. play 4. don’t 5. a week 6. do 7. twice 8. every day Unit 8 Part A 1. pants 2. glasses 3. shoes 4. shorts 5. gloves 6. boots 7. jeans 8. socks 9. earrings 10. dress</p><p>Part B 1. She wants to buy a pair of pants. 2. Does Betty want to buy a pair of boots? 3. What do you want to buy? 4. His cousin wants to buy a pair of earrings. 5. Do their uncle and I want to buy a coat? 6. Her teacher wants to buy a pair of shorts.</p><p>Part C 1. a pair of socks 2. What color is the pair of gloves? 3. a pair of boots 4. No, she wants to buy a pair of glasses. 5. He wants to buy a pair of shoes. 6. The pair of pants is brown.</p><p>Part D 1. want 2. a pair of 3. to buy 4. shoes 5. wants to buy 6. My sisters 7. a 8. His aunt Unit 9 Part A 1. hundred 2. expensive 3. backpack 4. eighty 5. rings 6. cheap 7. sixty 8. belt 9. seventy 10. thousand</p><p>Part B 1. How much is the belt? 2. Is the ring two thousand dollars? 3. Are the gloves cheap? 4. They are four thousand and sixty-nine dollars. 5. Are those glasses expensive? 6. How much are the brown shoes?</p><p>Part C 1. 100 2. expensive 3. How much 4. 390 5. Yes, they’re cheap. 6. What color is it?</p><p>Part D 1. is 2. How much 3. expensive 4. ninety-nine 5. They’re 6. cheap 7. are 8. cheap</p>