1. We used to live in a flat when i was a child.
2. People didn't use to have mobile phone 20 years ago.
3. Did Jim use to go swimming at weekend?
4. My father used to smoke but he gave up 5 years ago.
5. Lily didn't use to cook much, but now she cooks dinner every day.
6, Did there use to be a supermarket at the corner?
7. People didn't use to buy so much stuff as they do today.
8. Did you use to play football or basketball at school?
9. I used to go to bed very late but not anymore.
10. Which TV programme did you use to watch when you were little?
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1. did you use to be
2. used to wear
3. used to be
4. didn't use to like
5. did you use to do
6, didn't use to have phone.
7. used to be
8. used to play
9. Did you use to get
10. used to study
Bn học tốt!!!