$1$. Trang hasn't written to me for ten years.

$2$. He hasn't been back to his homework for 20 years.

$3$. They haven't visited me for five years.

$4$. Bn trl đúng rồi!

$5$. It hasn't snowed here for six months.

$6$. My aunt hasn't visited husband's hometown since 2010.

$7$. Nancy hasn't come here since 1986.

$8$. The last time we were to London was in 1998.

$9$. The last time we had a party was on last Christmas.

$10$. The last time I watched TV is one week ago. (Mik nghĩ câu này vt lại là "The last time")

1. Trang hasn't written to me for ten months 

2. He hasn't been back to his homework for 20 years

3. They haven't visited me for five years 

4. I have not played chess since 2000

5. It hasn't snowed here for six years

6. My aunt hasn't visited her husband's hometown since 2010

7. Nancy hasn't come here since 1986

8. The last time we were here was in 1998

9. The last time we had a party was last Christmas

10. The last time I watched TV was one week ago 

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- for +  khoảng thời gian (HTHT) = khoảng thời gian + ago (QKĐ)

- since + mốc thời gian (HTHT) = in + mốc thời gian  (QKĐ)