定语从句中that,which,who,whose,where,why,what等词的用法与区别(详细...答:(7) 如果作先作词的集体名词着眼于集体的整体,关系代词用which;若是指集体中的各个成员,则用who。(8) 先行词有两个,一个指人,一个指物,关系代词应该用that。例如:The boy and the dog that are in the picture are very lovely.(9) 如果先行词是anyone, anybody, everyone, everybody, ...