6. Viết lại câu sao cho nghĩa không đổi.
1. This last time she came back to her hometown was 4 years ago.
=> She hasn't
2. He started working as a bank clerk 3 months ago.
=> He has
3. It has been 5 years since we first flew to Singapore.
=> We have
4. He last had his hair cut in November.
=> He hasn't
5. The last time we called each other was 5 months ago.
=> We haven't
6. It is a long time since we last met.
7. When did you buy this bike?
=> How long ?
8. This is the first time I had such a delicious meal.
=> I have never................................................................................................................
9. I haven't seen him for 8 days.
=> The last................................................................................................................
10. To day is Saturday. I haven't taken a bath since Wednesday.
=> It is........................................................................................................................