◎ 题干
Email, as well as telephones, _______ 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“Email, as well as telephones, _______ an important part in daily communication.[ ]A. is playing B. have playedC. are playing D. play…”主要考查了你对  【现在进行时】【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。