1. The sailors prefer the sea to the land.
2. Is this the cheapest computer do you have?
3. She has a ten-year old daughter.
4. He drives more slowly and carefully than I do.
5. You ought to not stay up too late. 
6. They spent two hours on doing the washing up everyday last year. 
7. What is the distance from Ha Noi to Ho Chi Minh city?
8. They enjoy travelling to Nha Trang on their vacation.
9. Because Nam had toothache, he didn't go to school last week.
10. You don't need to finish the work today.