问题

We haven’t settled the problem of ________ it is necessary for him to study abroad
A:why
B:whether
C:what
D:how
B:whether
C:what
D:how
正确答案是:
同类题型
_____ the man there be our maths teacher——He ___ be, but I’m not sure.
time she was in trouble, she went tohim for help, as he said he ___ do anything for her.
The world ______ Things never stay thesame
I’m quite nervous about tomorrow’s oral English Test. –_________.
Mr Wang is very old, but he works like a young man In deed, I can’t admire him____