1. was
2.was
3.worked\was work
4. wasn't
5.was
6. wasn't
7.was
8.was
9.were
10. was
11.were
12. wasn't
13.was
14.was
15.was
16.wasn't
17.was
18.wasn't
19. was
20.was
Объяснение:
Я так думаю
