1, Mr John works fewer hours than Mr Tuan.
3. You'd better not eat too much sugar because it is not good for your health.
4. How long does it take you to get to school?
5. I am going to come to visit my grandmother in Hanoi tomorrow morning.
6. It's important for you to do your homework before you go to clas.
7. "Balanced diet" means you eat variety of foods without eating much of anything.
8. Are you interested in listening to pop music or classical music?
9. I telephoned her ten minutes ago but she didn't answer the phone.
10. Mr Hai didn't go to work yesterday because of his sickness.