问题

To understand the complex situation completely requires more thought than ________ so far.
A:gave
B:has given
C:has been given
D:is being given
B:has given
C:has been given
D:is being given
正确答案是:
同类题型
He must be in the room, because the light in the room is__________.
Can you hear a girl ______ in the room?— Yes. let’s go to see her.
. — He speaks French because he once lived in France. —Really? How long _____ there?
We have to stay at home instead of going finishing because it is raining ________________.