This man who's escaped from prison!为什么要用who's呢?

-who’s this young man? who`s this man in the picture? Who it's this? A Man Who Escaped?内容介绍 Who's this man?Is he your father?为什么要用个HE呀` Is you father 不行 Who's this man?有没有错啊? Who'S The Man 歌词 Who's the man?是什么意思 Who's the man( ) purple? who's the man 和who's that man有什么区别,可以随便用吗? who is that和who's this 英语翻译This is a lovely photo.Who's this man on the horse?He's