—Believe it or not, I have met him before.—No kidding? ________ you've never mentioned it?
#861
A
What for
B
How come
C
How about
D
What if
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--Since you have enough time, why not try going by boat for a change? ---_____________________.
#3541
A
Good idea
B
That’s true
C
I suppose so
D
You are too kind
— Do you mind if I close the window?— _______. We should let in more fresh air.
#3004
A
Yes, go ahead.
B
Of course not
C
I would like to close it
D
I’d appreciate it if you didn’t