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Exercise 4: Choose the correct answers. 1. She is talking about the author________book is one of the best-sellers this year. A. which B. whose C. that D. who 2. He bought all the books__________are needed for the next exam. A. that B. what C. those D. who 3. The children,__________parents are famous teachers, are taught well. A. that B. whom C. whose D. their 4. Do you know the boy________we met at the party last week? A. which B. whose C. who D. whom 5. The exercises which we are doing________very easy. A. is B. has been C. are D. was 6. The man_______next to me kept talking during the film, _______really annoyed me. A. having sat / that B. sitting / which C. to sit / what D. sitting / who 7. Was Neil Armstrong the first person________foot on the moon? A. set B. setting C. to set D. who was set 8. This is the village in________my family and I have lived for over 20 years. A. which B. that C. whom D. where 9. My mother,________everyone admires, is a famous teacher. A. where B. whom C. which D. whose 10. The old building__________is in front of my house fell down. A. of which B. which C. whose D. whom 11. We need a teacher__________native language is English. A. who B. whose C. whom D. that 12. I bought a T- shirt________is very nice. A. who B. whose C. whom D. that l3. The woman, ________was sitting in the meeting hall, didn't seem friendly to us at all. A. who B. whom C. where D. when 14. The man with__________I have been working is very friendly. A. who B. that C which D. whom 15. We'll come in May__________the schools are on holiday. A. that B. where C. which D. when Exercise 5: Rewrite these sentences using the relative clause. 1. She bought the car. Her father had recommended it. 2. He lost the pen. I had given it to him. 3. We called the delivery company. Nga often uses it. 4. Lam met a girl. I used to employ her. 5. Chi called the lawyer. My mother knows him. 6. He brought a woman. I worked with her last year. 7. We employed the pianist. Hai introduced her. 8. The cake is on the table. I bought it. 9. The book belongs to Lan. An found it under the chair. 10. The food was delicious. Huy cooked the food. 11. The bike was stolen. My parents gave me the bike. 12. The man was arrested. I reported him to the police. 13. The teacher was right. Ngan asked him about her problem. 14. The writer was very pretty. My brother dated her. 15. The secretary is in the office. Dung likes her.

Exercise 1: Put in the correct prepositions AT / ON / IN: 1. Columbos discovered America …………… 1492. 2. You can see the stars …………… night, if the sky is clear. 3. Tom isn’t here …………. the moment. He’ll be back …………. five minutes. 4. The course begins ……….. 7 January and ends ………… 10 March. 5. Tom’s grandmother died ……….. 1977 ……….. the age of 79. 6. The price of electricity is going up …………. October. 7. Ann works hard during the week, so she likes to relax …………. weekends. 8. I can’t be at home ………… the morning. Can you phone me ………. the afternoon instead? 9. Jack’s brother is an engineer but he’s out of work ……….. the moment. 10. …………. Sunday afternoons I usually go for a walk in the country. 11. Tom doesn’t see his parents very often these days- usually only ……….. Christmas and sometimes …………. the summer for a few days. 12. The telephone and the doorbell rang …………. the same time. 13. I walk up a lot of stairs everyday. My flat is …………. the third floor and there is no lift. 14. We went to the theatre last night. We had seats ………… the front row. 15. It can be dangerous when children play football ………….. the street. Exercise 2: Put the sentences in the passive voice 1. Mary types letters in the office. 2. His father will help you tomorrow. 3. Science and technology have completely changed human life. 4. Peter broke this bottle. 5. They are learning English in the room. 6. Nothing can change my mind. 7. Do they teach English here? 8. Will you invite her to your wedding party? 9. Why didn’t they help him? 10. How many games has the team played? 11. Where do people speak English? 12. Who are they keeping in the kitchen? 13. How can they open this safe? 14. They paid me a lot of money to do the job. 15. The teacher gave each of us two exercise books. Exercise 3: Put the verbs in the correct form. The first diagram (1-illustrate)____________the process of cement manufacture, and the second diagram (2-show)_____________ the materials that go into the production of concrete. It is clear that there are five stages in the production of cement, beginning with the input of raw materials and ending with bags of the finished product. To produce concrete, four different materials (3-mix)______________ together. At the first stage in the production of cement, limestone and clay (4-crush)____________ to form a powder. This powder then (5-mix)______________ before it passes into a rotating heater. After heating, the resulting mixture (6-grind)_______________, and cement (7-produce)______________. Finally, the cement (8-package)_______________in large bags. Cement is one of the four raw materials that (9-use)_______________ in the production of concrete, along with gravel, sand and water. To be exact, concrete (10-consist)_______________ of 50% gravel, 25% sand, 15% cement and 10% water. All four materials are blended together in a rotating machine called a concrete mixer. Exercise 4: Complete the passage using the following words. Use “a/an” if necessary. accident biscuit blood coat decision question electricity key letter moment music sugar 1. It wasn’t your fault. It was........... 2. Listen! Can you hear...........? 3. I couldn’t get into the house because I didn’t have ........... 4. It’s very warm today. Why are you wearing...........? 5. Do you take .................in your coffee? 6. Are you hungry? Would you like ...........with your coffee? 7. Our lives would be very difficult without................ 8. I didn’t phone them. I wrote.............instead. 9. The heart pumps .....................through the body. 10. Excuse me, but can I ask you.............? 11. I’m not ready yet. Can you wait.............., please? 12. We can’t delay much longer. We have to make .................soon

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