Part II
1. How far is it from your house to your school?
2. It is not very far to go to the railway station.
3. We must always obey the traffic rules for our safety.
4. Near our school there is a children crossing sign, so you must not cross the road there.
5. My mother used to take me to school but now I cycle there.
Part III:
1. Now there are fewer cars on the roads than there used to.
2. My brother used to be a professor at Ha Noi University some years ago, but now he has a job as an engineer at a big company.
3. Linh used to walk to school some years ago but now she cycles there.
4. My father used to swim in the pool near his house when he was a boy.
5. There used to be many trees in front of my house but now it is a big car park.