We must (clean the classroom).括号内提问

We must (clean the classroom).括号内提问 We must ___(keep) the classroom clean. We should clean the classroom[ once a day].[对括号提问] We have to(clean the classroom)after school.(对括号进行提问)___ ___ we must clean the classroom every day 同义句 we must clean the classroom every day同义句转换 We must keep our classroom clean The sentence stucture here we must keep the classroom clean的句子基本结构 把Must we clean the classroom now?改成否定回答 We have to clean the classroom(对clean the classroom提问) they have to(clean the classroom对括号里提问 We must clean their classroom, not_______(we)