E-mail, as well as telephone, an important part in daily communication.A. is playing B. h

发布时间：2020-08-16 21:22:37

E-mail, as well as telephone,      an important part in daily munication.
A. is playing
B. have played
C. are playing
D. played

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(答案→)A. is playing
B. have played
C. are playing
D. played
解析：考查主谓一致。本题的谓语动词和E-mail保持一致，应该使用单数。本题没有出现过去时的时间状语，所以使用现在时。
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