—Mike got “F” in his history test. 一   ? He has been working so hard on it.
#4250
A
How come
B
So what
C
What for
D
Why not
推荐题目
---I’m so thirsty.Do you mind if I have another can of cola ? ----______.I still have a lot. 
#2357
A
I’m very sorry
B
Yes,please
C
Forget about it
D
Of course not.Go ahead
 ---Could you please sweep the floor? ---_____________. I have to do my homework.
#24438
A
Yes, sure.
B
Why not
C
Sorry, you can’t
D
Sorry, I can’t
.--- How many tomatoes do we need?---_________. 
#23677
A
None
B
No
C
Not
D
Nothing
 – Well, there’s no sugar left.– __________. Let’s go and get some at once.
#20970
A
Not at all.
B
Never mind.
C
I’m sorry.
D
My pleasure.