from which,in which,of which,among which等的意思?答:from which , in which , of which ,among which , 它们都是 关系代词which 所引导的定语从句的形式,而是在which 的前面根据句子的具体内容的需要,分别 加了介词 from , in , of , among 。例如:This is the house in which he has lived for twenty years .这就是已经住了二十年的房子...