问题

I think it is going to be a big problem.—Yes，it could be.—I wonder__________we can do about it.

A:if
B:how
C:what
D:that

正确答案是：

同类题型

One feels it hard to fit in with a new culture _______ he has been accustomed to his won culture

So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.

The story _________ is not interesting, but why it hasso many readers

don’t think I need to buy that toy penguin—it’sfor kids.—__________you don’t have kids, buy it anyway becauseit looks good.

____ for London on business upon my arrival, so I didn’t see him.