1 fed
2 what were you doing- was feeding
3 did your brother do-played
4 began
5 was cooking
6 were you doing-came
7 Were you having
8 he didn't go
9 went to bed
10 was sleeping
11 were playing-started
12 saw-was crossing
13 began
14 was repairing
15 finished
16 we were playing
17 didn't go- was writing
18 When did you father come-came
19 came-was making
20 didn't go