7. The room is being decorated by my father. 8. A big house is being built near my house. 9. The story was told by my grandmother two years ago. 10. English is taught in every school in the city. 11. My motorbike is being washed now. 12. This poem has been written by a very famous poet. 13. My sister’s car was made in Japan. 14. This purse was found a few days ago by a woman. 15. This job has to be done at once. 16. How are candle made? 17. All the arrangements have been made. 18. The operation is going to be performed by French doctors. 19. This house was built 100 years ago. 20. The lessons are being written by the students now. 21. What have been done to help the poor in this city? 22. When was this radio manufactured? 23.Were you taught how to apply this theory by your teacher? 24. Fortunately the machinery wasn’t damaged by the accident. 25. These animals at the zoo are fed twice a day. 26. They couldn’t be found anywhere. 27. These artificial flowers are made of silk. 28. This dress must be washed in cold water. 29. For a long time, the earth was believed to be flat. Change these sentence into active voice ( hộ mik vs ạ )