Odpowiedź:
1. must have washed
2. were vacuuming
3. was
4. There are
5. haven't paid
6. are
7. diving
8. washing up
9. was written
10. were you
11. should have taken
12. is playing
13. am buying
14. able to solve
15. reading
16. ask
17. watching
18. can't help
19. must be joking
20. could have tried studying
21. is the shopping mall
22. Can I have
23. would you like to know
24. Is this
25. Do you have
26. Do not feed
27. may contain
28. have
29. do not agree
30. playing
Wyjaśnienie:
