---________ we clean the classroom at once?

---________ we clean the classroom at once? Your room needs ________(clean)at once. We should clean the classroom[ once a day].[对括号提问] 主动句改为被动句 we clean the classroom once every day except Saturd at school,we must clean the classroom 改为同义句 at school,we（ ）（ We must ___(keep) the classroom clean. We __(clean)the classroom this afternoon. We clean the classroom ( )Friday afternoon. shall we clean the classroom now Our classroom ________ very big and clean. We enjoy studying The room is )dirty and we'd better clean it at once.A too mu Our classroom is the ________（clean） of all.