【題目】E-mail, as well as telephones, an important part in daily communication.

A. is playing B. have played

C. was playing D. play

【答案】A

【解析】

試題分析：A考查時態(tài)。主語是E-mail一個單數(shù)，所以謂語動詞也要用單數(shù)形式，故排除B,D兩個選項；又因為有表現(xiàn)在時間的單詞daily，所以排除過去時C，句意：跟電話一樣，電子郵件在現(xiàn)代交流中扮演了一個很重要的角色。故選A.

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