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)