Jerry  does morning exercise every day.(改一般疑问句）   
______ Jerry _______ morning exercise every day?
The    water was too dirty for us to drink.(改为同义词)
The water was ______ dirty _______we couldn’t drink it.
1 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.
The author will leave for Xingyi in a month.(对划线线部分提问)
______  _______will the author leave for Xingyi?
1 think Allen must be playing basketball with his brother on the playground,
_________  _________？(写出其反意疑问部分）