◎ 题干
E-mail, as well as the telephone, _____an important part in daily communication.
A.is playing B.have played C.are playing D.play
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ E-mail, as well as the telephone, _____an important part in daily communication. A.is playingB.have playedC.are playingD.play…”主要考查了你对  【主谓一致】  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。