i must____(clean) the classroom.
i must____(clean) the classroom.
clean the classroom
保持-------the classroom clean.
______ clean the classroom.
I'm sorry I forgot to clean the classroom
i shall clean the classroom with my classmates after school?
i -------- often -------(leave) in the classroom to clean it
I clean the classroom today 怎么改为被动语态
I need two students ( ) the classroom.用clean填空
must i clean the classroom right now?No,you ( )
i told him have the classroom ___after class.A.clean B.clean
who ____(clean) the classroom?