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1. I haven't seen Minh for six months.
2. I haven't spoken to her for three years.
3. It's two years since Tom last visited his uncle.
4. The last time Hoa wrote to her parents was three months ago.
5. This is the most wonderful computer he has ever seen.
6. We haven't eaten this kind of food since January.
7. It's ages since he chatted with his classmates through the Internet.
8. The last time we saw her was when we left university.
9. I have never seen such a high building before.
10. Mr.Ba's car is the biggest car in the country.
11. We haven't met Uncle Tam for three years.
12. Are you going to fly to Ho Chi Minh next Monday?
13. We have lived here since 1995.
14. We don't have to drive so fast.
15. No one in my class is more intelligent than Trung.
16. The coffee wasn't strong enough to keep us awake.
17. Huong hasn't written to her parents for two months.
18. Nga isn't as good at Math as Lan.
19. I've never used such a good computer before.
20. When did you begin to use the car?
How long have you used the car?
21. I have never seen such a high building before.
22. Linh prefers the country life to the city life.
23. Mr.Ba's car is the biggest in my company.
24. We haven't met Uncle Tam for three years.