1. My father always drives carefully.
2. It is about 100km from hanoi to Hai Phong.
3. If you aren't careful, you will have an accident.
4. Hung used to go to his homeland by train some years ago.
5. Traffic rules should be obeyed strictly by road users.
6. Can we travel to Korea by car?
7. There are buses leaving for Hai Phong every 15 minutes from 6a.m to 10p.m
8. My family used to be very poor in the past.
