Ex 6. Viết lại câu sao cho nghĩa không đổi:
1. The last time we saw her was on Christmas day.
We haven’t ..................................................................................................
2. I haven’t eaten this kind of food before.
This is...........................................................................................................
3. It started raining an hour ago.
It has.............................................................................................................
4. We haven’t visited my grandfather 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. We started living here fifteen years ago.
We have .......................................................................................................
9. The last time she visited me was five years ago.
She hasn’t.....................................................................................................
10. I last wrote to my uncle in July.
I haven’t ......................................................................................................
11. It’s long time since we became close friend.
We have .......................................................................................................
12. Minh began to collect stamps in 2000.
Minh has......................................................................................................
