1.1. We were
2. Kate didn't
3. My mum was
2.1 She didn't send
2.2 He didn't bring
2.3 Harry and Sally didn't study
3.1 did you buy chips?
3.2 Did Emily go to the party?
3.3 Did your mum cook a chocolate cake yesterday?
4.1 There were fifty people...
4.2 Irene moved...
4.3 They swam in the lake...
5.1 Did Peter get up at 8:00 on Saturday?
5.2 What did they buy for this party?
5.3 When did Kim drink a glass of water?
6.1 What did you do in the afternoon?
6.2 What time did you go to bed?
6.3 Who did you meet last weekend?
7.1 What film did Kelly see last time? (Harry Potter)
7.2 What did they have for the lunch? (Eggs and bacon)
7.3 Why did Sam eat this apple?(it's tasty)