=>
III/
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. train tickets
10. means of transport
IV/
1. didn't use to
2. used to
3. didn't use to
4. didn't use to
5. used to
V/
1. Another problem is the increase in the number of cars on the road.
2. There are many transport rules but many people don't seem really interested in following them.
3. The traffic is worst during rush hours when everyone is trying to get to work or get home quickly.
4. Some people ride their motorbikes on the pavements rather than waiting in a traffic jam.
5. The traffic can be a nightmare for visitors to Viet Nam for the first time.
6. More people own private cars and it makes the problem of the traffic jams become worse.
7. Pedestrians can get injured or hit easily when they walk on thepavements or cross the roads at such times.
8. Road users become very impatient or quite aggressive, constantly using their horns or even shouting at others.
9. Three or four people on one motorbike is a common sight, particularly with young people
10. Some people install air horn on their motorbikes, and this is really annoying for other people and sometimes it causes accidents.
VI/
1. Did you use to go to the beach when you lived in Nha Trang?
2. Linda used to live with her parents.
3. I used to have time to colelct stamps as when I was in primary school.
4. He used to be a poor man.
5. They didn't use to go to the cinema every Sunday last year.
6. In the past my hair used to be much shorter than that now.
7. I used to stay up late to watch football matches last year.