IX
1. Traffic rules should be obeyed stictly by road user
2. can we travel to korea by car?
3. There are buses leaving for Hai Phong every 15 minutes from 6 a.m to 10 p.m
4. My family used to be very poor, but we have 100 million USD now
5. My father always drives carefully
6. It is about 100 km from Ha Noi to Hai Phong
7. If you aren’t careful, you’ll have an accident
8. Hung used to go to his homeland by train some years ago, but now he drives his car
X
1. I didn't use to go to the supermarket every Sunday lastyear
2. In the past her hair used to much shorter
3. I used to collect dolls when I wasn't in secondary school ( câu này mình ko chắc lắm bởi nếu vt đúng cấu trúc mình bt sẽ là : I didn't use to collect dolls when I was in secondary school nhưng tù cho sẵn lại là I used nên mới làm thế này)