They are in the living room,on the sofa.中on the sofa 作什么成分?
问题描述：
They are in the living room,on the sofa.中on the sofa 作什么成分?
答
地点状语不加逗号行不行那要先说小地方 再说大地方They are in the living room, on the sofa.一句中in the living room 作的成分和on the sofa作的成分又有什么区别呢？没有sure?yesOK, trust you