Which of them__something about the results that he does not know?A.Knows B.know C.knew D.have know
问题描述：
Which of them__something about the results that he does not know?A.Knows B.know C.knew D.have know
知道了 which of them 是说他们中哪一个 哪一个就是单数
答
首先是which,表示他们中间的哪一个人,谓语动词用单数,其次后面的定语从句中用的是does,表示一般现在时,故前面的也用一般现在时.that he does not know?指的不是 which of 中的人吧