她的房间需要打扫.用英语：Her room needs cleaning.问：1.为什么用cleaning不用to cl

她的房间需要打扫.用英语：Her room needs cleaning.问：1.为什么用cleaning不用to cl The classroom needs cleaning?为什么用cleaning而不用to clean? my mother is busy cleaning the room 为什么用cleaning 有什么语法 拜托别瞎回 My room needs cleaning.cleaning是动名词,还是现在分词? The room needs cleaning once a week和The room needs to be cle The room needs cleaning.有哪些成分 Her sister is cleaning her room 问个英语问题He is watching TV?He's ______ to be cleaning his room. wuyifan was busy cleaning the bedroom 为什么要用cleaning 她在打扫房间用英语怎么说 he needs ( ) his room.A 、to clean B.cleaning C.cleans D.clea the room is very untidy.it needs().a tidy b.cleaning c.to ti