2.The result of the entrance exams was not made _____ to the public until last Thursday.

题目

2.The result of the entrance exams was not made _____ to the public until last Thursday.
为什么选B?
A.knowing B.known C.to know D.to be known

答案

因为是被动.主语是The result of the entrance exams,也就是说主语是物,而且被作用的对象是the public （大众）,也就是人,made known 的意思是使知道,即入学考试的结果直到上周四才使人知道,也就是人们直到上周四才知道入学考试的结果.