Is this the man that you served 为什么用that为什么用that 不用which?

Is this the man that you served 为什么用that为什么用that 不用which? Is this the man that you served?这句话中that可以用who代替吗? this man is a teacher.和that child is under the tree.的复数形式 This is the car I repaired it yesterday. That's the man I spoke.改错 this is the most respect ()civilized man can be distinguished from primitive communities.a.in that This man is the love of my which is for the man in this Is this the man that you served?句中能不能把that 换做who或whom?能否省略关联词? That is the man’s p___own car 模仿例句改写以下句子例句：This policeman is tall.But that policeman is taller.He is the tallest policeman I have even seen.题1.This street is clean.2.This man is old.3.This river is long. Look!Do you know( )man under the tree?Sorry.It is too far to see ( )clearly.A.this.him B.that,his C.this,her D.that,him 英语翻译The most precious possession that ever comes to a man in this world is a woman’s heart. Look,that tall man ( ) a pair of glasses is the coach of this game选with还是wear The most precious possession that ever comes to a man in this world is a woman's heart什么意思 The most precious possession that ever comes to a man in this world is a woman's heart.怎么翻译 The most precious possession that ever comes to a man in this world is a woman's heart. The most precious possession that ever comes to a man in this world is a woman's heart. That is the man about w__ they were talking at this time yesterday.填空题!求解!急!