题目内容：

I have many friends, the tallest of whom is wei fang. 这个当中的whom可以换代词 them吗?

优质解答

不可以,因为这是一个句子,主语是i have many friends,从句是 the tallest of whom is .,如果是两个句子,即friends后面用句号,后面那个句子的the大写,则whom要变为them.从句中只能用whom