VI
1. I don't eat as much chocolate as her.
2. Vinh is always forgetting his homework.
3. It's very important to keep the environment clean.
4. Lan was helped to do the homework.
5. I haven't spoken to her for three years.
6. Tam used to type faster than she does now.
7. When did you start using the car?
8. We have lived here for 15 years.
9. How about meeting inside the center, at the cafe corner?
10. Nam is strong enough to do heavy work.