1. D . a and b

2. A airport

3. C got 

4. B out

5. A picks her up 

6. B at 

VIII.

1. We used to go to school on foot.

2. It is about 30km from my town to Ha Long Bay.

3. My family used to go on a holiday on the seaside in the summer.

4. How long does it take you to go from HN to Sa Pa?

5. There used to be a factory in the town centre but it has been moved to the suburbs.

6. You must learn about the road safety before riding your bike on the road.

VII/

1/ D 

2/ A 

3/ C 

4/ B 

5/ A 

6/ B 

VIII/

1/ We used to go to school on foot

2/ It is about 30km from my town to Ha Long Bay

3/ My family used to go on a holiday on the seaside in the summer

4/ How long does it take you to go from HN to Sa Pa ?

5/ There used to be a factory in the town centre but it has been moved to the suburbs

6/ You must learn about the road safety before riding your bike on the road