I. Viết lại câu dưới dạng câu bị động :
1. They deliver our papers every morning.
2. The student put up the tent in the rain.
3. They cut the grass in the garden yesterday.
4. People celebrate May Day every year.
5. The farmers are plowing the rice fields.
6. Nam’s father has just bought another villa.
7. The child is eating a lot of fruits.
8. The servant was making coffee.
9. Nam can speak English.
10. Tran can made this machine herself.
11. The man must pay the money now.
12. The pupils made the chairs last month.
13. He has to send the package now.
14. They can’t put these things here.
15. Mary types the letters very quickly.
16. You mustn’t use that machine after 5.30 p.m.
17. The principal will hold an English-speaking contest in Quang Trung School next month.
18. Janet gave Mary and her little cousin two teddy bears on their birthday by coincidence.
19. Pollution and chemicals from the factories have been polluting the environment.
20. Mr. Jones has just sold the old house at the end of the road.
21. They are building a ring road in the other side of the city.
22. The city dwellers mustn’t throw rubbish very carelessly.
23. You should keep these flowers in a warm sunny place.
24. The committee will have to change the day of the meeting again.
25. Many people speak English all over the world.
26. A businessman will buy many houses in that area next year.
27. The reporter is interviewing the eight-form students at the moment.
28. They have kept these boxes of chocolates for three weeks.
29. Our teacher corrects our homework on the blackboard every day.
30. The workers will build a supermarket beside the school next year.
