1.Another problem is the increase of 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 try to get to work and get home quickly.

4.Some people ride their motorbikes on the pavements rather than waiting in the traffic jam.

5.The traffic can be a nightmare for visitors to Viet Nam for the first time.

6.More people have their own private cars and it makes the problem of the traffic jams worse.

7.Pedestrians could get injured and can be hit easily when they walk on the pavements and cross the roads at such times.

IV. Make sentences using the words and phrases given.
1. Another problem/ the increase/ the number/ cars/ the road.
.=> another problem is the increase in the numer of cars on the road 
2. There/ transport rules/ but/ many people/ not seen/ really interested/
follow/ them.
..=> there are transport rules but many people haven't seen really interested in following them.
3. The traffic/ worst/ rush hours/ when/ everyone/ try/ get to work/ get home
quickly.
=> the traffic is much worse in rush hours when everyone tries to get to work and get home quickly
4. Some people/ ride/ motorbikes/ the pavements/ rather than/ waiting/ a
traffic jam.
.=> some people ride motorbikes in the pavement rather than waiting in a traffic jam 
5. The traffic/ a nightmare/ visitors/ Viet Nam/ the first time.
.=> the traffic is a nightmare for visitors who come to VN for the first time 
6. More people/ own/ private cars/ it/ make/ the problem/ the traffic jams/
worse.
=. more people own private cars and it make the problem of the traffic jams becomes worse 
7. Pedestrians/ get injured/ hit easily/ when/ they/ walk/ the pavements/ cross
the roads/ such times.

=> pedestrians ( ng đi bộ ) get injured by being hit easily when they walk through the pavements to cross the roads at such times.