◎ 题干
-Why are you looking so worried? Is there anything I can do for you?
-The computer        break down when I nearly finished my composition.
A.can B.should C.must D.dare
◎ 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“-Why are you looking so worried? Is there anything I can do for you?-The computer break down when I nearly finished my composition.A.can B.should C.must D.dar…”主要考查了你对  【情态动词】  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。