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)