句型转换（每空一词）。

1.The girl has lived here since 1991. (对画线部分提问)

   ______ ______ ______ the girl ______ here?

2. Miss Zhang has studied English for three years.(改为同义句)

    Miss Zhang ______ ______ ______ English three years ago.

3. My friend wrote three letters last Sunday. (用since last Sunday代替last Sunday改写句子)

   My friend ______ ______ three letters since last Sunday.

4. I think Wang Fei has seen the film. (改为否定句)

    I ______ ______ Wang Fei ______ ______ the film.

5.They flew to Shanghai once a month.(对画线部分提问)

   ______ ______ ______ they fly to Shanghai?