定语从句中that,which,who,whose,where,why,what等词的用法与区别(详细...答:--- 在定语从句中 1、关系代词:who, whom, which, that, whose 指人:who, whom, whose, that 指物:which, that,whose 2、关系副词:when,where,why 作主语,先行词是人用who/that 先行词是物用which/that eg.一个男孩a boy 一个能讲三国语言的男孩the boy who/that can speak three ...