单选题
A: May I see the dentist now7B: ______
A、
Is it a real emergency?
B、
Do you have an appointment?
C、
In that case, you'll have to wait.
D、
I'll talk to the dentist and squeeze you in.
【正确答案】
B
【答案解析】
have an appointment表示“约定，预约”，符合前后语境。其他三项虽然与看病有关，但前后不搭配。
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