( )Do you knock who they are waiting _ the bus stop?
A.for at B.for C.at D.for on
( )_it is to help the old men clean the house!
A.what a fun B.how great fun C.how great a fun D.what fun
( )Milly _ her tortoise because it moves _.
A.like;slow B.love;slowly C.likes;slower D.loves;slowly
( )Mr green _ speak a little Chinese,but he can't speak any Japanese.
A.can B.may C.must D.need