Ответ:

1 Did you read books about space exploration when you were a boy?

2 My grandparents weren't watching TV when aunt Helen visited them.

3 Last week I bought a new mobile phone.

4 Was John sleeping at 7 o'clock yesterday?

5 Professor Thatcher was working at university when he had a brilliant idea.

6 Dad was busy working, so he didn't hear me open the front door.

7 I was chatting with my friends when he arrived at the cafe.

8 The weather was nice last Sunday-really warm!

1 where did you use to play

2 they often used to get

3 I didn't use to watch any TV programmes

Объяснение: