I. 

1. used to

2. didn't use to

3. used to

4. didn't use to

5. did you use to

II. 

1. It is about 700 metres from my house to the English club.

2. It is about five kilometres from my home village to the stadium.

3. It is about 20 kilometres from Chi Ne to Nho Quan.

4. It's about 40 kilometres from Nam Dinh to Thai Binh.

5. It is not very far from our school to the art gallery.

III.

1. used to ride

2. used to be

3. used to go

4. did - use to play

5. used to not feel

IV.

1. My mom used to live in a small village.

2. There did not use to be many vehicles on the road.

3. We used to cycle to school.

4. Now there are more traffic accidents than it used to be.

5. My uncle used to be a bus driver.

V. 

1. didn't use to

2. used to

3. didn't use to

4. didn't use to

5. used to

VI.

1. How did you use to go to school?

2. Mr.Van didn't use to ride his motorbike dangerously.

3. How did the street use to be?

4. I used to go out on Sundays.

5. They didn't use to go on holiday together.

VII.

1. use to - go

2. used to be

3. didn't use to like

4. used to go

5. used to live

6. used to go

7. used to sit

8. did you use to play

9. used to be

10. used to walk

11. used to play

12. didn't use to have

13. did they use to

14. used to be

15. didn't use to like

VIII. 

1. did

2. after

3. feels

4. across

5. break

6. rules

7. it

8. vehicle

9. ride

10. accidents

IX.

1. road safety

2. safety helmet

3. railway station

4. traffic jams

5. zebra crossing

6. road user

7. driving license

8. speed limit

9. means of transport

10. train ticket

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