we have twenty English teacers in our school ,more than half of ( ) are ladies

题目

we have twenty English teacers in our school ,more than half of ( ) are ladies
老师说这里用whom,介词之后.可是这里不是在定语从句中作主语吗?为什么不用who?

答案

of后面跟宾格whom,做定语从句的主语的是half of whom这一个整体

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