that改成who 就可以了This boss thatmy father worhed in his company many years ago is a very kind man.that改成who可以吗?

that改成who 就可以了This boss thatmy father worhed in his company many years ago is a very kind man.that改成who可以吗? 这句话里面的that可以改成who吗?为什么? 英语翻译翻译There was a young man who liked adventure.要精决翻译,这里用There是什么情况,我改成This或That 应该也可以吧,那改后面两个词做主语句子有什么变化了. This is the only boy_____read the book.A who B.that 先行词前有only 可以选who It's true that Americans eat these thing.里面的that可以改成who吗,那还可以改成什么 hello!_______?this is tom.a.who is this b.who is that 为什么? This is the biggest tiger _____ he has ever seen in the zoo.A.that B.which C.who D.whom which也可以指代物怎么就不行 Was _Bill _played basketball very much.a.that,that b.that ,it c.it ,who d.this ,who This is Peter speaking.Who' this?问对方不应该是Who's that?全文是A:Hello.B:Hello.May I speak to Peter,please?A:This is Peter speaking.Who' this?（就这句话怎么回事）B:This is Jack. Hello,Who's----?Hello.---Mary speakingA.this;This is B.that:This is C.that; lam D,he; l am Who are the two people in the photo?___is my mother and ___is my father?A This this B That that C This that D That this Is this the man that you served?这句话中that可以用who代替吗? who is this in the picture?is___tom?a.he b.it c.this d.that ：---Who is _____?---This is Jack from Britain.A this B that C they D them Who is ___?This is Chen Jie.A.this B.that who's that speaking选A .This is Tom.还是B.That's Tom speaking 英语选择题：Who's that? ( ) is Lucy. A This B It C That D She's who is that?A.That's a student B.It's Bob C .This is Bob