2/

1. Young and inexperienced drivers are the most likely to have an accident.

2. Young drivers are more careless.

3. No, it isn't.

4. When young male drivers have their friends in the car, their driving becomes worse. 

5.  If their small children are riding in the car, they drive more slowly and safely.

IV/

1. How far is it from HCM city to Ha Noi?

2. What's the weather like today?

3. How often does your father go to work by bus?

4. How many English books does Lan have in her schoolbag? 

5. How many kilos of meat does her parents want?

6. A new industrial zone will be built in the area by the government.

7. Trees are planted in the school garden on My 19 by students .

8. These biros were bought by my father 2 weeks ago.