—Let's have a game of tennis; the loser has to treat the other to a hot dog.—        .
#2599
A
I'm afraid so
B
It's a deal
C
You've got a point
D
My treat
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-Why not have a meeting to discuss about it?-        . 
#2241
A
It’s hard to answer
B
I don’t know, either
C
Because we have no time left
D
That sounds fine to me
— I believe we’ve met here before.— No, ________. It’s the first time I’ve been here.
#22023
A
it isn’t the same
B
it’s true
C
I don’t think so
D
I believe so
Mr. Lee, may I ask you a question? —______. 
#3113
A
It’s a pleasure
B
Go ahead
C
With pleasure
D
So do you.