3 Did you have a good time?
4 What time did you leave?
5 Was he staying in a hotel?
6 I wasn't eating.
7 What did you do then?
8 Why were they sitting there?
9 What were they doing?
10 What did you say?
11 Why was he working late last night?
12 They weren't playing cards.
13 She didn't understand.
14 I wasn't having a bath.
15 What was the dog eating?