题目内容
【题目】Millions of emails _ all over the world every day.
A. send B. sent C. are sent D. were sent
【答案】C
【解析】句意:每天有几百万封邮件发往世界各地。本题考查动词的时态和语态。Send派,送。A. send 原形 B. sent 一般过去时 C. are sent一般现在时被动语态 D. were sent一般过去时被动语态。邮件是动作的承受者,做句子的主语,故采用被动语态,排除A, B由every day.知为一般现在时,故选C

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