句型转换：
I had finished my home work before supper.(改为一般疑问句)
_____ ______you             your homework befpre supper?
The girl is very beautiful.(改为感叹句)
_____ ______the gil is!
We must clean our classroom every day.(改为被动语态)
Our classroom  must                          every day by us .
Where does he live? I don’t know.(改为含宾语从句的复合句)
I don’t know __________ he ___________ .
Both my father and my brother love watching basketball matches. (改为否定句)
_____ ______ my father nor my brother ____________ watching basketball matches.