(2013·陕西咸阳一模)—Hi, Tom. Do you still smoke?—________. It's three years since I smoked.
#930
A
No, I don't
B
Yes, I do
C
Not too much
D
Oh, yes, but I wish I didn't
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Would you mind waiting for me at the gate? ________ 
#21864
A
Sure.
B
Certainly.
C
Not at all.
D
Yes.
Thank you so much for the book you sent me. _______.
#22099
A
No, thanks.
B
I’m glad you like it
C
Please don’t say so
D
No, it’s not so good