Ответ:

1-had

2- began

3-just finished

4- felt

5-decided

6-heard

7-turned

8-collapsed

9- weren't

10-stopped

11-seemed

12-started

13-shouted

14-reached

15-looked

16-was

17- flooded

18- collapsed

19- arrived

20- helped

Объяснение:

:)