I. Rewrite each of these sentences keeping the meaning unchanged :
1. The Greens family moved to Ho Chi Minh City in 2002.
->The Greens____________________________
2. Her grandmother began collecting stamps three years ago.
->Her grandmother has____________________________
3. We started living here ten years ago.
->We have ____________________________
4. It’s five years since she last saw him.
->We haven’t ____________________________
5. The last time she visited our village was in 1992.
->She has____________________________
6. This is the first time I have eaten nachos in the USA.
->I have____________________________
7. Minh bought his CANON digital camera in 2001.
->Minh has____________________________
8. I last saw you when we were in senior high school.
->I have ____________________________
9. When she heard the results, Mary began to feel more confident.
->Since hearing____________________________
10. When did you begin studying information technology ?
->How long ____________________________
11. How long have Emma and David been married ?
->When ____________________________
12. There is a definite improvement in your work.
->Your work has____________________________
13. I am on the tenth page of his letter I am writing.
->So far ____________________________
14. When I lived in England, cycling to work was part of my daily routine.
->I used to____________________________
15. The red book is more expensive than that blue book on the shelf.
->That blue book____________________________
16. She is always a better performer than her mother used to.
->Her mother never used to give____________________________
17. Miss Huong Tram is the best student in this class.
->No one____________________________
18. My close friend cannot run as fast as me.
->I am a ____________________________
19. In class 6A, Minh is the most intelligent student.
->No____________________________
20. No other members in the club are as tall as Lucie.
->Lucie is____________________________