Jawaban:

1. Ants' nests can be found in the ground by us
2. The cover of the book was torn by someone
3. Has the homework been done by Paidi?
4. The trees was blown down by the fierce wind last night
5. Are the homework being done by them at the moment?
6. The books in that cupboard is often eaten up by bookworms
7. All the packages will have been sent by them next week
8. Houses are built of bricks and cement by people
9. The hall was painted white by the worker
10. Nobody is not interested by his collection of stamps
11. We were given a hard exam by the teacher last week
12. The young speaker's fresh jokes are loved by the audience
13. The president's annual speech was not broadcasted by most television stations last night
14. Aisya is sent a bunch of flower every sunday by an unknown admirer
15. Have the victims of the earthquake been sent some food supplies?
16. He had been offered a good job before he graduated from the university by someone
17. We were told to cancel the journey due to the bad weather by his uncle last night
18. When is the old house be going to renovated by them?
19. Everything by the time we get there will have been finished by us
20. She has ever been told the secret by nobody

Kalau jawabannya membantu, jadikan yang tercerdas ya^