Where is the man ___I saw this morning?这句话答案给的是that,可是我觉得who

Where is the man ___I saw this morning?这句话答案给的是that,可是我觉得who Where is the man that/whom I saw this morning?请问这句为什么用whom It was in that big room ___I saw the great man.A where B two Is this the man that you served?这句话中that可以用who代替吗? ******,that this day where everything seemed wrong.这句话我觉得怪怪的 That is the man I saw yesterday 那就是我昨天见到的那个人I saw yesterday 这是我煮牛奶的锅This is the pan ___ ___I boiled the milk.Have you se Who is the man?为什么回答 I know who is that man 是错的? This is the man from ___I learn the news.为什么是Whom ,不是which? Is he the man who/that wants to see you?这句话为什么是Is he而不是he is 这句话怎么翻译?Who is the man that is reading a book over there? who was this man?who is this man?这2句话一样吗?