问题

I think it’s going to be a big problem–Yes, it could be –I wonder ________ we can do about it
A:if
B:how
C:what/T
D:that
B:how
C:what/T
D:that
正确答案是:
同类题型
_____ of the twins has been there before.
There is no night-flight to the small town. The service was ________ at the end of the summer.
The disc , digitally_______in the studio,sounded fantastic at theparty that night[ ]
Not until the driver was stopped by the traffic police that he shouldn’t have drunk so much wine.