who is it和who it is哪个对?

who is it和who it is哪个对? who is that和who is it who is it提问 who is it 中文歌词 who is it who is her和who is she哪个对 what it is?who it is? it is i who.还是it is me who. who is it 它是谁 it is I who -----right. Who is ___at the door?he she they it哪个 It is just you who is my