We haven’t settled the problem of it is necessary for him to study abroad.
A. that
B. whether
C. what
D. if
网友回答
A. that
(答案→)B. whether
C. what
D. if
解析:主要测试宾语从句。句子中介词of需要宾语,另外结合语境可知句子 it is necessary for him to study abroad应该属于选择性的,并且位于介词的后面只能选择whether。译文:我们还没有解决他是否有必要出国学的的问题。