—How far can you run without stopping?—________. I've never tried.
#676
A
Don't mention it
B
That's all right
C
I have no idea
D
Go ahead
推荐题目
---Do you mind my smoking here?--- __________. Look at the sign! It says, "No smoking!"
#3143
A
Never mind.
B
Of course.
C
You’d better not.
D
No, I don’t.
—Could you spare me one minute, Bob? I have a favor to ask you.—_____. 
#2834
A
It’s a pleasure
B
Go ahead
C
Help yourself
D
Ask, please
— How’s everything going? — ____.     
#3998
A
Everything is finished
B
Everything has been done
C
Not so bad, you know
D
Not doing wrong, you know