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Excuse me, I'm afraid you've overcharged me. （）
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Excuse me, I'm afraid you've overcharged me. （）
A.Oh, really?
B.That's all right.
C.That's fine.
D.You're welcome.
参考答案:
Excuse me, I'm afraid you've overcharged me. （）
A.Oh, really?
B.That's all right.
C.That's fine.
D.You're welcome.
参考答案: