1.I quite like classical music now, although I didn't use to keen on it when I was younger.

2.I didn't use to have lost interest in my work.

3.Dennis used to smoke 3 years ago.

4..My brother used to have his hair cut short when he joined the army.

5.My parents used to live in the USA when they were young.

6.Jim used to be my best friend, but we aren't friends any more

Bài 3 :

1. People would use to believe that the earth is round before

2. Astronauts used to stay in their spaceship, but they frequently work outside now.

Used to + V (đã từng làm gì như thói quen trong quá khứ nhưng bây giờ không thế nữa)

3.These city girls are used to working in the field ( Tobe use to Ving :làm quen việc làm gì)

4.Formerly babies used to die of whooping cough.

12. Newton used to read scientific books when a boy 

CHÚC BẠN HỌC TỐT VÀ ĂN TẾT VUI VẺ NHA

Đừng quên vote 5 sao + ctlhn cho mình nhé

thanks 

=>
1. I used to have a lot of money but I lost it all when my business failed.
2. I used to have interest in my work.
3. Dennis used to smoke.

4. My brother used to have his hair cut short when he joined the army.
5. My parents used to live in the USA when they were young.
6. Jim used to be my best friend, but we aren't friends any more.

3/

1. did not use to believe
4. used to stay
7. to working
9. both A and B
11. used to read