giúp mik vs chuyển sang câu bị động ạ
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IV. Change the sentences into passive voice.
1.Our stutdents have done the final tests,
2. The fire has destroyed the building seriously.
3. Has she done the exercises yet ?
4. They have invited us to give a presentation at next year's conference.
5. How long have you written this novel?
6. Have you told your mother to buy some flowers?
7. No one has talked to him for weeks
8 They have asked me not to tell anyone bout the project
9. No one has read these books for many years.
10. She hasn't taught us here for a while..
11. Nobody has used this room for ages.
12. They bought her a present on her birthday.
13 Someone has told him to report for duty at 6.00pm.
14. The author has written a special edition for children.
15. Someone has taken her bag by mistake.
16. They haven't done anything about it.
17. Have you met him before?
18. They have built this school for 2 years.
19. The students have done a lot of homework.
20. She has looked after our children since we went out.