题目内容：

at which,in which,on which,for which,by which,from which的用法
不要例句!要准确
用在定语从句中等于什么!

优质解答

主要看从句中的不及物动词,比如for which.我们可以造个句子方便理解:This is the book for which he is looking.即等于This is the book which he is looking for.这主要是因为look for 这一短语.which在从句中做宾...