Ответ:

1. was driving

Объяснение:

2  was doing

3. did

4. were you doing

5.  went

6. were doing.     came

7. were reading.   was sleeping

8. was watching.    was dancing

9. was cooking.  heard

10. was reading.  rang

11. were you doing

12. was cooking

13. was sleeping was drawing

14 was washing fell broke

15 was ate packed left