Check the answers after you have tried to do the exercises. Units 5, 6, 7 and 8 ANSWERS Check the answers after you have tried to do the exercises.

PAGE 19 1. WRITE THE HE/SHE/IT FORM FOR THE FOLLOWING VERBS. GO-GOES PULL-PULLS READ-READS DANCE-DANCES DO-DOES WANT-WANTS GET-GETS SWIM-SWIMS STUDY-STUDIES HAVE-HAS FINISH-FINISHES CRY-CRIES WALK-WALKS DRINK-DRINKS PICK-PICKS WASH-WASHES EAT-EATS BUY-BUYS WAIT-WAITS MEET-MEETS PUSH-PUSHES PLAY-PLAYS NEED-NEEDS OPEN-OPENS

2. COMPLETE THE SENTENCE WITH THE AFFIRMATIVE FORM OF THE VERB IN BRACKETS. a. I read the newspaper every day. b. She likes computers and going to the cinema. c. They go to school by bus. d. We want ice cream now! e. He studies French, German and English. f. You walk very fast. g. I play football and basketball. h. She finishes her homework quickly! i. It works very slowly

3. PUT THE WORDS IN ORDER TO MAKE A SENTENCE. A. They always go home early. B. She never eats sweets. C. We usually go to the cinema on Saturdays. D. It is sometimes warm in winter. E. He often plays football with his Friends. F. It always rains in January. G. They usually go dancing on Fridays. H. He often listens to music in the evenings.

4. Use the prompts and a verb from the box in the correct form to write full sentences. A. We sometimes cook for our Friends. B. She always does her homework. C. They often play tennis at the weekend. D. I usually go on holiday in June. E. He always has coffee for breakfast. F. You never get up early in the morning. G. She sometimes watches TV before dinner. H. We usually wear jeans at the weekend. i. It sometimes rains in the summer.

Page 21 1. Look at Mark’s timetable Page 21 1. Look at Mark’s timetable. Complete the sentence with the affirmative form of the verb in brackets. A. Mark goes to school five days a week. B. He goes to school every day. C. On Mondays the classes start at 09.00. D. On Thursdays Mark finishes school at 17.00. E. Mark’s class do/does sport on Monday, Wednesday, Thursday or Friday. F. Mark has a maths class every day of the week. G. Mark studies three different languages. H. At Mark’s school the pupils study IT.

2. Complete the sentences with the negative form of the verb in brackets. A. Mark doesn’t go to school at the weekends. B. He doesn’t go to school on Wednesday or Friday afternoon. C. On Wednesday the classes don´t start at 9.00. D. On Fridays Mark doesn’t finish school at 17.00. E. Mark’s class don’t do/doesn’t do sport on Monday, Wednesday, Thursday or Friday. F. Mark doesn’t have an English class on Thursday. G. Mark doesn’t study Chinese. H. At Mark’s school the pupils don’t study Chemistry.

3. Complete the question with do or does. Then write short answers. A. Does Mark have an art lesson on Monday? Yes, he does. B. Do classes start at 08.00 on Tuesday? No, they don’t. C. Do the students study IT at Mark’s school? Yes, they do. D. Does Mark go to school on Friday afternoon? No, he doesn’t. E. Do they have any time for sport? Yes, they do. F. Do you study religion at your school? Yes, some do. G. Does your school have a similar timetable? Yes, it does. H. Do you study more subjects than Mark? No, I don´t.

4. Use the prompts to write questions. A. Does oil boil at 100° C? B. Does gold react with oxygen? C. Do elements in the same period have similar properties? D. Does argon react with oxygen or water? E. Did Albert Einstein make important scientific discoveries? F. Do physicists work in laboratories?

5. PUT THE WORDS IN ORDER. A. Children often use a computer for school work. B. Most 11 to 18 year-olds don´t often visit chat rooms. C. School pupils often have a computer at home. D. Teenagers sometimes play CDs on a computer. E. There are usually computers in schools in the UK. F. Some computers are always connected to the internet. G. People often prefer PlayStation for playing games. H. Most people never send letters these days.

6. Read the text about differences between boys and girls at school 6. Read the text about differences between boys and girls at school. Complete the text with the correct form of the verbs in the box. a. score b. reach c. exists d. believe e. explains f. like g. punish

7. Make the underlined verbs negative A. Boys don’t study more than girls. B. The average boy doesn’t score higher marks in tests. C. At seven, 12 per cent of girls don’t reach the expected level. D. The researchers don’t say that boys do badly at school because they are less intelligent. E. Most schools don’t give prizes to boys for their behaviour. F. Some boys don’t listen well to their teachers. G. William Draves doesn’t think boys are the problem.

Page 25 1. write the –ing form of the verb a. Enjoy-enjoying e. Play-playing i. Stop-stopping b. hit-hitting f. Heat-heating j. Shut-shutting c. shoot-shooting g. Organize-organizing k. Buy-buying d. Smoke-smoking h. Use-using l. Tidy-tidying

2. Use the prompts to write full sentences. A. I am eating dinner. B. You are doing your homework. C. She is going to the park. D. John and Sven are buying new trainers. E. My parents are talking to my teacher. F. We are listening to CDs. G. He is writing a book. H. It is raining today. I. I am working hard.

3. Underline the correct form A. is going B. I’m listening C. speak D. are studying E. He is doing F. I like G. is asking H. You know I. I’m reading

4. Use the prompts and a verb from the box to write either present simple or present continuous sentences. A. I understand this question. B. She is listening to music now. C. They are doing maths homework now. D. You know a lot about computers. E. Manuela and Sam are watching TV at the moment. F. We are staying in a hotel near the beach. G. I am looking for Jack. Do you know where he is?

Page 27 1. What is John doing now Page 27 1. What is John doing now? Look at the Information and use the prompts to write present continuous sentences. A. It’s 07.03 and John is getting up. B. It’s 07.10 and he is having a shower. C. It’s 7.35 and he is having breakfast. D. It’s 08.00 and John is going to school. E. It’s 09.15 and John and his friends are sitting in class. F. It’s 12.45 and he and his friends are having lunch. G. It’s 16.00 and he is playing football. H. It’s 22.45 and he is sleeping.

2. Now write negative sentences using the prompts. A. It’s 07.05. He isn’t sleeping. B. It’s 08.45. He isn’t going to school. C. It’s 10.00. John and his friends aren’t doing homework. D. It’s 12.35. He isn’t having breakfast. E. It’s 15.00. His team isn’t/aren’t playing football. F. It’s 18.45. He isn’t having lunch. G. It’s 20.00. He isn’t watching TV. H. It’s 23.00. He isn’t doing his homework.

3. Use the prompts to make a question. Then write short answers. A. It’s 07.05. Is John having breakfast? No, he isn’t. B. It’s 08.00. Is he going to school? Yes, he is. C. It’s 09.30. Is he sitting in class? Yes, he is. D. It’s 12.00. Are John and his Friends playing football? No, they aren’t/ they’re not. E. It’s 12.45. Are you having lunch? Yes, I am./No, I’m not. F. It’s 19.15. Are John and his family having breakfast? No, they aren’t/ they’re not. G. It’s 21.15. Is he relaxing? Yes, he is. H. It’s 22.30. Are you and your family watching TV? Yes, we are/No, we aren’t/ we’re not.

4. What’s happening in your body right now 4. What’s happening in your body right now? Use the prompts to write sentences. A. Blood is circulating around my body. B. My heart is pumping blood. C. My lungs are absorbing oxygen. D. My diaphragm is moving up and down. E. My heart is beating. F. My lungs are producing carbon dioxide. G. My stomach is digesting food. H. Chemical reactions are happening in my cells. I. My eyes are sending messages to my brain.

5. How is society changing. Put the words in order to make questions 5. How is society changing? Put the words in order to make questions. Then write a short answer. A. Are people getting taller? Yes, they are. B. Is life getting more expensive? Yes, it is. C. Are we using more energy? Yes, we are. D. Are more people going to university? Yes, they are/ No they’re not/ aren’t. E. Is the population getting older? Yes, it is/ No, it isn’t/ it’s not. F. Are fewer people getting married? Yes, they are./ No, they’re not/ aren’t. G. Are we living longer? Yes, we are./ No, we’re not/ aren’t.

6. Complete the text with the present continuous form of the verbs in the box. a. Are cutting c. Is causing e. Is rising g. Are having b. Is increasing d. Are melting f. Is changing h. Are getting