Clean the classroom when you leave.(改否定句)

clean the classroom 保持-------the classroom clean. let is clean the classroom? who ____(clean) the classroom? i must____(clean) the classroom. The student____(clean)the classroom every day sweep 与clean 有什么区别?clean the classroom还是sweep the classroom?还是clean up the classroom? clean the classroom作文45词作文 clean the classroom 翻译成汉语 shall we clean the classroom now please keep the classroom clean的句子成分 The classroom is clean 的反义词是什么? the classroom weren't clean yesterday找错 Let's help Millie_______( clean)the classroom It was my job ( ) (clean) the classroom clean the classroom,please否定句 clean the classroom是怎么意思? can you ( )(help )me clean the classroom