Change the following sentences into passive voice.

0. He wrote all the songs on this new album.
1. They held rice-cooking festival in Thon Trieu last year.
2. We must solve this problem soon.
3. Nguyen Du wrote Truyen Kieu.
4. We must do something for these poor men.
5. They have to separate the rice from the husk.
6. He shouldn’t do that silly thing.
7. The boy operates that tape-recorder.
8. They gave us a post card.
9. The student cleaned the room every day.
10. I had lost some of my books.
11. We believe these boys to become better.
12. The scientists found the problem.
13. The cat pulls the pan into the sink.
14. He gives her a novel about a love story.
15. They were painting a house
giúp mk với hứa trả 15 xu ak