Ответ:

1. had passed

2. had fulfilled

3. solved

4. had discussed

5. wrote

6. had studied; entered

7. had taken; came

8. Had you got home before the programme "Planet of Health" started?

9. The ambulance arrived when the doctor passing by had already given him the first aid.

10. Did you find the textbook in chemistry which you had lost in the central academic building before?

Объяснение: