Объяснение:

1. Are books bought by teenagers?

2. Are tests given by my teacher?

3. Is fish eaten on Friday?

4. Are fashion trends followed?

5. Are stamps collected by you?

6. Is Japanese spoken in Italy?

7. Is his motorcycle ridden by him?

Ответ:

1. Are books bought by teenagers?
2. Are tests given by my teacher?
3. Is fish eaten by you on Friday?
4. Are fashion trends followed by them?
5. Are stamps collected by you?
6. Is Japanese spoken in Italy by them?
7. Is his motorcycle ridden by him?