◎ 题干
--Don't open the door, _______who knocks on it.
--No problem, mom. You've told me many times.
A. even though       B. no matter       C. instead of
◎ 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“ --Don't open the door, _______who knocks on it. --No problem, mom. You've told me many times.A. even though B. no matter C. instead of…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。