Dịch: 

Số tiền mà bạn cần là:

77971250 - 2172500 = 75798750 (VND)

Amount of money you need more:

77971250 - 2172500 = 75798750 (VND)

Exercise 2: 

1. Bicycle

2. Motorbike/Motorcycle 

3. Car

4. Plane

5. Ship

6. Train

7. Underground subway?

8. Bus

Exercise 3:

1. obedience 

2. safety

3. unhealthy

4. carelessly 

5. illegal 

6. flight 

7. strictly 

8. signs

9. prohibiton

10. warning

I.

1. What can we do to reduce congestion traffic in big cities?

2. How far is it from your hotel to the train station?

3. It is not very far from my house to school.

4. I think it's time to do something to reduce traffic jams in Vietnam.

5. Mai used to go to school on foot when she was in primary school.

6. There are often traffic jams in the city centre in rush hour.

7. People in the past didn't use to worry about traffic congestion.

8. It is compulsory to wear a helmet when riding a motorbike in Vietnam.

II.

1. The roads in VietNam are too narrow to travel easily.

2. It is very important to obey traffic rules when using road.

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

4. Two days ago, we had stuck in the traffic jam for over 2 hours.

HI :))))))

Điều em đã làm được: Vào được đội Olympic Anh Văn

7

6

5

4