1. I haven't seen Miss Lan for 5 years .
2. This computer hasn't been used for a long time.
3. How about using banana leaves instead of plastic bags to wrap food?
4. I wish that I could go to the countryside on the weekend.
5. Miss Lan asked me why I liked learning English.
6. The trees haven't been wateres since last year.
7. Lan said she will go to Thailand the next day.
8. I wish that I had a new computer.
9. The house which was destroyed in the typhoon has been rebuilt.
5. I had my computer repaired yesterday.
36. Ba asked Mai how often she went to the English club.
37. She hasn't worn that dress since her sister's wedding.
38. The novel" The adventures of Tom Sawyer" didn't written by Jack London.
39 People use computer to design new models.
40. She asked me when I would return the books to the library.
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