Răspuns:
1. didn't go
2. did you buy
3. was studying/was cooking
4. did
5. was listening/knocked
6. sang
7. cleaned
8. was running/broke
9. did/sleep
10. didn't open
11. made
12. came/was eating
13. was not playing
14. was playing
15. was swimming/saw
16. was not
17. did/come
18. did/buy
19. didn't eat
20. were watching/rang
21. didn't have/was
22. did/cost
23. invited
24. won
Explicație:
