1. The cat wasn't bitten by our dog.
2. The car is repaired by the mechanic.
3. Spanish isn't understood by them.
4. The fire alarm is tested by the electricians.
5. A new car was bought by my friend.
6. The bathroom wasn't cleaned by John.
7. The blue jeans were invented by levi Strauss.
8. A new kind of washing powder was developed by them.
9. The mountains were covered with snow.
10. The keys were given to me by the lady./ I was given the keys by the lady.
11. The reports were handed in by the students.
12. The rucksack is put on the floor by Sue.
13. The children are helped by the policemen.
14. The flowers aren't watered by mother.
15. The song isn't sung very well by them.
16. Letters are delivered at 8 everyday by the postman.
17. These cars are made in Japan by them.
18. Our window was smashed last night.
19. Some pocket money was given to me./I was given some pocket money by my parents.
20. Bad news were told to her./ She was told bad news.
21. Information was sent to Ann by her./ Ann was sent information by her.
22. A new chance wasn't given to them by him./ They weren't given a new chance by him.
23. Coffee is grown in Kenia.
24. The bridge was built 2000 years ago by the Romans.
25. Some houses were damaged by the thunderstorm.
