◎ 题干
—Talking loudly in a library is impolite.
—In fact, we should also  take care not to cough or sneeze loudly in public.
A.look afterB.be carefulC.take care ofD.look up
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Talking loudly in a library is impolite.—In fact, we should also take care not to cough or sneeze loudly in public.A.look afterB.be carefulC.take care ofD.l…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。