Look!One of the students____the classroom.A.clean B.are clea
I remembered ____ the classroom.A.to clean B.cleaning.C.clea
Are () clean?A.the windows of the classroom B.the window of
He has ___the classroom when he is on duty.A clean B to clea
A lot of rubbish ( ) air.A.pollute B.pollutes C.clean D.clea
The classroom needs____.(A) clean (B) cleaned (C) to clean (
哪种表达方式正确 a.The windows in my classroom are clean. B.The wind
1.We must ____ the room every day.A.clean B.cleans C.to clea
some students are busy( )the classroom after school. A.clean
They started _____ the classroom twenty minutes ago. A. clea
you need not to clean the classroom.变成同义句()()for you to clea
The teacher asks us ____ our classroom.A.clean B
the classroom is___after cleaning A.clean and tidy B.cleaner