◎ 题干
—I'm sorry to have kept you waiting.
—________, Bill.
[     ]
A. You're welcome  
B. Go ahead
C. Don't mention it  
D. No problem
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—I'm sorry to have kept you waiting.—________, Bill.[ ]A. You're welcomeB. Go aheadC. Don't mention itD. No problem…”主要考查了你对  【日常用语、谚语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。