句型转换。

1. Jerry does morning exercise every day. (改一般疑问句)

    ______ Jerry ______ morning exercise every day?

2. The water was too dirty for us to drink. (改为同义词)

    The water was ______ dirty ______ we couldn't drink it.

3. I don't know David's e-mail address. He doesn't know David's e-mail address, either. (合并一句话) 

    ______ he ______ I know David's e-mail address.

4. The author will leave for Xingyi in a month. (对画线线部分提问)

    ______ ______ will the author leave for Xingyi?

5. I think Allen must be playing basketball with his brother on the playground,

     ______ ______? (写出其反意疑问部分)