1. My father always drives carefully.
2. It is about 100km from Hap Noi to Hai Phong.
3. If you aren't careful, you'll have an accident.
4. Hung used to go his homeland by train some years ago, but now he drives his car.
5. Traffic rules should be obeyed strictly by road useres.
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, but we have 100 million USD now.