Is he the man who/that wants to see you?请问这是什么从句,WHO/THAT 在里做的什么成分,请讲一下理由

Who is the man in the （ 回答是He is Barack Obama,the 44th President of the Unite States. He is the man who looked at the photo. Who is the man. Who is the man but sonner or later the man who wins is the man who thinks he can.翻译 he is the first man who/that came to china. 英译汉 帮下忙 i love the man who he was,i love the man who he is ,and i love the man who he will be 用who,whom,which连接句子新概念2测试11.this is the car.themechanic repaired.2.he is the man.I invited him to the party.3.these are the things.I bought them yesterday.4.he is the man.heczme here lastweek.5.he is the policeman.he caught the th who is that man? he is the man often(l )books to me he is the____________ (man who has others working for him)he is the of the house who is the best man 请问who is the man Who is the old man? Who is the man _____between the twins in the picture.He is my uncle,Tom.sitsitssittingsat He is the man who I spoke to yesterday.这里的who能否改成that? He is no longer the man _____ he used to be.a.who b.that 为什么? He is the man which he was.这里为什么不用who而用which呢, Is he the man who/that wants to see you?这句话为什么是Is he而不是he is