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—Excuse me, may I sit here?
— . The girl on the seat will return soon.
A. Yes, please B. I’m afraid not C. No, thanks
May I ask you __________questions?
A．any
B．some
C．much
D．little
“May I come in?”
“________”
A．
Thank you．
B．
Sure．
C．
Why?
D．
That's right．