Odpowiedzi:

1. took
2. started
3. got
4. arrived
5. was already waiting
6. were reading
7. were chatting
8. was 
9. went
10. drew a set of questions
11. sat
12. was still answering
13. was opening
14. had
15. felt
16. were
17. revised
18. went
19. left
20. announced
21. heard
22. managed

Tłumaczenie