I. Chuyển câu chủ động sang câu bị động:
1. They sell jeans all over the world. .................................................. ........................................................... .................................
2. They are building a new school in this town. ...................................................... ........................................................... .....................
3. The clown made us laugh a lot. ...................................................... ........................................................... ......................................
4. He finished his exercises on time.
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5. People plant rice in those fields.
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6. this boy broke my windows yesterday.
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7. did you do your test perfectly?
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8. They have known him well.
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9. They have postponed the concert.
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10. My father bought me a video recorder.
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11. The police didn’t interview the witness.
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12. They use cars and trucks to carry food to market.
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13. They have built a new hospital near the airport.
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14. He hasn’t seen the younger son for three weeks.
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15. The secretary opens the mails every morning.
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16. No one has opened that box for the past hundred years.
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17. The fire has destroyed many houses.
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18. The children are carrying the chairs into the house.
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19. She cleans the floor every morning
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20. He will solve the problem soon.
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21. She made a lot of mistakes in the examination.
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22. No one has locked the door.
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