We haven’t settled the question of it is necessary for him to study abroad.A. whatB. wheth

问题补充：

We haven’t settled the question of it is necessary for him to study abroad.

A. what

B. whether

C. that

D. where

答案：

A. what

(答案→)B. whether

C. that

D. where

解析：考查宾语从句：句意：我们还没解决是否他有必要出国学习的问题。介词of后面接的是宾语从句，从意思看，应该选whether。选B。