Odpowiedź:
1. she was cooking
2. was studying; was watching
3. were swimming
4. was sleeping
5. were talking
6. were you doing
7. was raining
8. was shining
9. was working
10. was going
11. were speeding
12. was taking
13. was playing
14. were traveling
15. was repairing
16. was drinking
17. was sleeping
18. was shining; were singing
19. was watching
20. was going