We must clean the room（对clean the room）

We must clean the room（对clean the room） We must clean the room (对clean the room进行提问 We must clean the room 的 clean the room疑问句是_____ ______we do clean the room与clean room区别 是clean the room 还是clean room? We must keep the air in the room clean.(改为被动语态） we must keep the room clean.clean为什么不加ing He needs to clean the room(对clean the room提问） We should keep the nice room clean Need I clean the room?与Must I clean the room?有什么区别 the room must be clean还是must be cleaned We must keep our room clean.Dirt ...