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

1. A.
   if
2. B.
   where
3. C.
   whether
4. D.
   that

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

A. if        B. where        C. whether       D. that

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

 A. if      B. where    C. whether     D. that

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

A. if                B. where              C. whether             D. that

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

A. if       B. where

C. whether     D. that

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

A. if                B. where             C. whether            D. that

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

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

A．what             B．whether          C．that              D．where

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

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

A. if　　 B. where　　 C. whether　　 D. that