1. The last time we saw her was on Christmas Day
-> We have
2. I haven't eaten this kind of food before
=> This ia
3. It started raining an hour ago
=> It has
4. We haven't visited may grandparents for two months
=> The last time
5. I have studied English for three years
=> I began
6. My brother hasn't seen his best friend for nearly five years
=> It's
7. When did you start learning English ?
=> How long
8. Jane ia as tall as her older sister
=> Jane ia
9. There houses are not as large as those houses
=> Those houses
10. Your backpack is not the same as mine
=> My backpack
11. Ba began collecting stamps three years ago
=> Ba has
12. We started living here twenty years ago
=> We have
13. It's five years since I last saw Nam
=> I haven't
14. The last time she visited us was four months ago
=> She hasn't
15. I know Susan, I first met her in 2006
=> I have
16. Minh has a digital camera. He bough it in 2001
=> Minh has had
17. Mai plays the piano. She started when she was ten years old
=> Mai has
18. Barbara is in Ha Noi now. She arrived there five months ago
=> Barbara has
19. They started living here last month
=> They have
20. My shoes are different from yours
=> My shoes
1. Peter started collecting stamps five years ago.
Peter has collected stamps for five years.
2. Lan cleans her house every day.
Her house is cleaned by Lan every day. (đáng lẽ là Lan's house...by her...chứ?)
3. He said, “I have already written this letter”.
He said to me he had already written that letter.
4. Learn hard or you will fail the exam
If you learn hard, you won't fail the exam.
Peter has started to colect stamps for 5 years
Her house is cleaned by her everyday
He said to me that he had already written that letter
If you learn hard, you won't fail the exam