Viết lại câu sao cho nghĩa không đổi

Who is help me?
ĐỀ BÀI: Viết lại câu sao cho nghĩa ko 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......................................................................................................... .........