IV

1. Mr. and Mrs. Smith are flying to Hanoi now. (TRAVELLING) .

=>Mr. and Mrs. Smith are travelling to Hanoi by plane now.

2. Van had a motorbike once, but he doesn’t any more. (USED) .

=>Van used to have a motorbike once, but he doesn’t any more.

3. My father usually goes to work by car. (DRIVES) .

=>My father usually drives to work.

4. This part of the city didn’t have traffic jams very often. (USE) .

=>This part of the city didn’t use to have traffic jams very often.

5. I used to walk to school when I was young. (FOOT)

=>I used to go to school on foot when I was young.

V

1. Traffic jam/ one/ most common/ issue/ big city/ world.

Traffic jam is one of the most common issues in big cities of the world. 

2. There/ many/ people/ use/ road/ and/ one/ main reason/ cause/ traffic jam

 There are many people using road and it is one of the main reasons cause traffic jam.

3. We/ solve/ traffic problem/ by/ encourage/ people/ use/ bicycle/ rather/ car/ short trip.

We can solve this traffic problem by encouraging people using bicycle rather than car for short trips.

4. People / use / public transports / reduce / number / private vehicles / road .

People should use public transports to reduce the number of private vehicles in the road

5. Move / big / company / factory / city / countryside / help reduce / traffic jam .

Moving big companies and factories from the city to the countryside helps reduce traffic jam

@Jack

IV. Finish each of the following sentences

1. Mr. and Mrs. Smith are flying to Hanoi now. (TRAVELLING)

=> Mr and Mrs. Smit are travelling to Ha Noi now.

2. Van had motorbike once , but now he doesn't any more. (USED)

=> Van used to have a motorbike once.

3. My fathar usually goes to work by car.(DRIVES)

=> My father usually drives to work.

4. This past of the city didn't have traffic jam. (USE)

=> This part of the city didn't use to have traffic jam.

5. I used to walk to school when I was young. (FOOT)

=> I used to go to school on foot when I was young.

V/

1.Traffic jam is one of the most common issues in big cities of the world.

2.There are many people using road and it is one of the main reasons cause traffic jam.

3.We can solve this traffic problem by encouraging people using bicycle rather than car for short trips.

4.People should use public transports to reduce the number of private vehicles in the road.

5.Moving big companies and factories from the city to the countryside helps reduce traffic jam.