Răspuns:
1. was explaining
2. have met
3. was listening
4. has started
5. was exploding
6. has appeared
7. has increased
8. was visiting ... has bought
9. were cleaning
10. was cleaning
11. has lived
12. was taking
13. has arrived
14. we were
15. has dropped
16. have done ... was doing
17. has found ... was having
18. have won ... have bought
19. was working
20. has got ... has been
21. were swimming
Explicație: sper ce te-am ajutat :>
