UNIT 10: RECYCLING
I/ Use the given words to make sentences, using the passive voice and the simple
present tense:
1. This computer / make / in the USA.
2. These machines / make / in Scotland.
3. The money / change into dollars / at the bank.
4. Cheese / make / from milk.
5. The house / paint / every year.
II/ Change the sentences below into the passive voice:
6. John took the book.
7. They have mailed the boxes today.
8. My sister opened the two packages.
9. Our teacher corrects our homework.
10. They didn’t clean the room carefully yesterday.
11. They deliver the newspapers to this office twice a day.
12. Did the mechanic do the repair work?
13. All the villagers respect him.
14. Do they give many courses in English during the summer?
15. They built another bridge across the river last year.
16. We clean the garages everyday.
17. We check every car engine thoroughly. (kỹ lưỡng)
18. Someone should blow a whistle if there is an emergency.
19. Someone will drive your car to New York on Tuesday.
20. They send two million books to America every year.
21. Someone checks the water level every week.
22. I will give you a new bike next month.
23. You should keep the flowers in a warm sunny place.
III/ Give the correct form of the verbs in brackets: passive form or active form:
24. Everyone (shock) __________ by the terrible news yesterday.
25. English (teach) _____________ in the schools of almost every nation.
26. The mail (deliver / always) ____________ to this office before 10.00 p.m.

55. Finishing this work tonight is hard for me.
56. Driving a car is not easy.
57. Passing the final exam is easy for her.
58. Flying to Nha Trang is comfortable.
59. Letting your baby go out alone is very dangerous.
V/ Find and correct mistakes in the following sentences:
60. Old car tires can be recycle to make pipes and floor coverings.
61. We delighted that you won the first prize in the chess tournament.
62. The glass is broken up, melted, and made from new glassware.
63. When will the gift bring here?
64. Reduce means not buy products which are over packaged.
65. It is difficult to building a house in a month.
66. I’m afraid the meal isn’t prepare well enough for the party.
67. She was happy that her friend remembering her birthday.
68. It is uneasy for prevent people from polluting the environment.
69. Will be this school upgraded next year?
70. Every milk bottle can is reused thirty times.