Помогите пожалуйста!!!Тема Past Simple.

1 was waiting     arrived
2 Where was he going    saw
3  called
4 was talking   walked
5 did she known ....    were coming
6 were sitting    arrived
7 met     I was shoping
8 arrived    I was leaving
9were making    didn`t hear
10 were walking down     started raining
11 started    were driving
12 met ....were working
13 did she arrived
14 broke     aws playing
15 I didn`t like       was studying
16 cut    I was chopping
17 left
18 was driving
19 what were you doing
20 went     were staying