2 The rule was explained to us by him.
3. The bed wasn't slept in.
4. She can’t dance when she is being looked at.
5. What song was sung to you by them?
6. The picture was being looked at with admiration.
7. All his old notebooks have been thrown away by him.
8. The matter must be thought over.
9. The Dean has been spoken to on the subject.
10. This film is being talked a lot of.
11. His jokes are always laughed at.
12. The incident was argued about for a long time.
13. Such matters cannot be spoken of.
Объяснение:
2.put
3.slept
4.spelt
5.taught
6.kept
7. found
8.chose