Ответ:
1. Don is much spoken about.
2. The bridge was built by a famous engineer.
3. The children are looked after well when they are at school.
4. Mary wasn't spoken to yesterday.
5. After the fire the head teacher was sent for.
6. Why is Sarah often waited for?
7. Such people are never laughed at.
8. The house was built with a lot of new techniques.
9. Cakes are eaten with a fork.
10. This fund was created by very famous people.
11. The concert was enjoyed by the pupils.
12. The keys were looked after every- where but with no result.
Объяснение: