Ответ:
1
3 was watching
4 was doing
2
1 How did Anne break her leg
2 was riding
3 fell
4 landed
5 Did she go ...?
3
1 When did you see ...
2 I was doing ...
4
1 called
2 didn't answer
3 was jogging
1 Did you hear what ...
2 was riding
3 jumped
4 tried
5 fell
6 wasn't