Question

Пожалуйста помогите с заданием 3.

Answer 1

1. There hasn't been made any mistake
2. How is it called?
3. We were asked to stay a little longer 
4. He was expected to obey the regulations
5. A great progress has been made in physics
6. The possibility of new negotiations is being discussed
7. Jack was thought to be clever but lazy
8. Coal is used for making artificial materials
Остальные по аналогичной схеме. Не трудно