把Must we clean the classroom now?改成否定回答

把Must we clean the classroom now?改成否定回答 we must keep the classroom______- A.clean B.to clean C.cleaning D.cleaned We must ___(keep) the classroom clean. 把We must keep the room clean.变成另一种语态的句子 oceans we keep must the clean.怎么连词成句. we must clean the classroom every day同义句转换 We must (clean the classroom).括号内提问 Must we clean the ciassroom now否定回答 we must keep the classroom clean的句子基本结构 we must clean the d______ plates and bowls We must keep the classroom tidy and _________all the time.A.cleanly B.clearly C.clear D.clean Must we clean the classroom now?No,you needn't.It ______ after school.A.may clean B.must clean C.need be cleaned D.can be cleaned[正确答案是D,为什么不选C] We must clean the room 的 clean the room疑问句是_____ ______we do? We must clean the room（对clean the room）急 We must clean the room (对clean the room进行提问 It's our turn ___ the classroom todayA.cleaning B.when we clean C.that we clean D.to clean 把这个题翻一下, we must clean the classroom every day同义句 we mustwe must clean the classroom every day同义句we must ______the classroom _____every day we must keep the room clean.clean为什么不加ing