câu 1:
1. A
2. A
3. D
4. A
5. C
6. B
7. A
8. A
9.D
Câu 2:
1. how far is it from your house to your school?
2. It is not very far to go to the rail way station
3.We must always obey for traffic rules for the our safety
4. There is a children crossing sign near our school so you must cross the road there.
Câu 3:
1. There did not use to be many cars on the road before.
Now there are more cars on the road than before.
2. My brother was a professor at Ha Noi University some years ago, but now he has a job as an enginneer at a big company.
My brother used to be a professor at Ha Noi University some years ago, but now he is an engineer.
3. Linh walked to school some years ago but now she cycles there.
Linh used to walk to school some years ago but now she cycles there.
4. My father swam in the pool near his house when he was a boy.
My father used to swim in the pool near his house when he was a boy.