срочно!!!! Инглиш. Всё упражнение(448)

1. ring
2. were
3. wouldn't know
4. had come
5. doesn't pass
6. hadn't helped
7. didn't read
8. would have gone
9. would get
10. don't buy
11. will certainly come
12. hadn't hurt
13. worked
14. would improve
15. will be
16. had returned
17. would have bought