Jawaban:

1. He will be punished by them.

2. My office are being painted by them today.

3. The work has just been done by them.

4. This camera is bought by her in Japan.

5. My daughter was taken away from me by them.

6. I was being eaten alive by mosquitoes.

7. Many promises are made by them.

8. The new bridge are to be completed by them by March.

9. I'm going to be arrested by them.

10. This novel is written by an American writer.

11. The mail had been delivered by them in the morning.

12. The cause of the accident were being investigated by the police.

13. The meeting will be held tomorrow.

14. He was seen by them while he was crossing the road.

15. The sculpture is lost because of us.

16. Is lunch included in the price？

17. Tom is going to be cut from the team by them.

18. A new bridge is being built by them over the river.

19. Our offer would be accepted by Tom.

20. Your watch has been found by them.

21. This work can be done by us within a week.

22. His house was sold for ten thousand pounds.

23. You should have been expelled by us.

24. The problem is being discussed by them.

25. Mary was being followed by somebody.

Penjelasan:

You can omit the ''by them'' or ''by us'' or whatever if your teacher said so. The context should still be relevant with or without those.