UNIT 9: NATURAL DISASTERS Change the sentences into passive voice. (Chuyển sang câu bị động) 3. We can use the garbage to make fertilizer. .............................................................................................. 4. John will collect me at the airport. ........................................................................................................... 5. Your teacher mustn’t sign this form. ............................................................................................................ 6. Will our form teacher hold a class discussion next Monday? ........................................................................................................................................................... 7. We can’t wear jeans at work. ................................................................................................................ 8. We will grow a lot trees in the parks. ......................................................................................................... 9. Will you invite her to your birthday party? ................................................................................................. 10. When did you take these photograghs? ...................................................................................................................................................... 11. Did he painted this picture two months ago? ...................................................................................................................................................... 12. Bell invented the telephone in 1976. ...................................................................................................................................................... 13. Did Jack London write the novel “ Martin Idon”? ...................................................................................................................................................... 14. When did you do your homework? ...................................................................................................................................................... 15. People didn’t prepare this building three months ago. ...................................................................................................................................................... 16. My mother didn’t cook dinner last night. ...................................................................................................................................................... 17. Paul didn’t tell me the ending of the story. ........................................................................................................................................................... 18. Did they plant a lot of trees and flowers? ..................................................................................................................................................... 19. When did they decorate your living room?. ........................................................................................................................................................ 20. Did you do your English homework with Lan? ......................................................................................................................................................... 21. We didn’t eat cakes at the party. ......................................................................................................................................................... 22. Nina was writing a report. ........................................................................................................................................................... 23. Sam was delivering the letters to the department. ........................................................................................................................................................... 24.They were breaking television at 9 o’clock last night. .......................................................................................................................................................... 25.They had repaired their house before the typhoon came. ........................................................................................................................................................... 26. I hadn’t put the car into the garage before the hail occurred. ...........................................................