问题

I have no doubt that he will make it,but I wonder __________ he is really ready enough.
A:what
B:why
C:whether
D:that
B:why
C:whether
D:that
正确答案是:
同类题型
_______all his efforts he failed, he was so upset about himself that he felt like crying
I have no ______on me May I pay bycheque—Sorry, only by credit card
Are you ready to order — Yes, two , please.
Pompeii _______ by so many tourists that some of the relics are not well protected
The ______look ______her face suggested that she was angry.[ ]