Bài 1

1. Did you used to enjoy maths at school ?

2. I didn't used to like flying, but I love it now.

3. We used to be friends, but we don't get on now.

4. Did John used to work for IBM before he came here ?

5. Winters used to be as cold as they are now.

6. She used to lives with her mother, but now she lives with her father.

7. I didn't used to do any exercise.

8. Did he used to play for Manchester United ?

Bài 2

1. It is about 120km from Ho Chi Minh city to Vung Tau

2. It is about 384,400km from the Earth to the Moon

3. It is not very far from Ha Noi to Noi Bai Airport 

4. It is about 100 meters from my house to the nearest shop

5. It is about 700 meters from my house to the Youth Club

6. It is about five km from my home village to the nearest town

Good luckk

Ex 3:

1. Did you use to enjoy

2. didn't use to like

3. used to be

4. Did John use to work

5. didn't use to be

6. used to live

7. didn't use to do

8. Did he use to play

Ex 4:

1. It is  about 120 km from Ho Chi Minh City to Vung Tau.

2. It is about 384,400 km from the Earth to the Moon.

3. It is not very far from Ha Noi to Noi Bai Aiport.

4. It is about 500 meters from my house to the nearest shop.

5. It is about 700 meters from my house to Youth Club.

6.  It is about five km from my home village to the nearest town.