句型转换。

1. I think they will come tonight. (改为否定句)

    I _____ think they _____ come tonight.

2. I have also been to Shanghai. (改为否定句)

    I _____ been to Shanghai, _____ .

3. He did his homework last night.(改为一般疑问句)

    _____ he_____ his homework last night?

4. It's very delicious food.(改为感叹句)

    _____ _____ the food is !

5. My mother will come home in three days. (对划线部分提问)

    _____ _____ will your mother come home?