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【题目】— Do you know each other?

— Of course. We________friends for almost twenty years!

A.areB.wereC.have beenD.be

【答案】C

【解析】

句意:——你们认识吗?——当然。我们做朋友快二十年了!

考查动词时态。are一般现在时;were一般过去时;have been现在完成时。“for+时间段”表示做某事做了多长时间,时态使用一般过去时或用现在完成时。一般过去时表示过去某个时间里发生的动作或状态,与现在毫无关系;现在完成时动作(瞬间动词)发生在过去,对现在有影响或结果,或动作(延续性动词)发生在过去,且一直持续到现在。根据“for almost twenty years”和语境(20年前认识一直持续到现在)可知此句时态是现在完成时;故选C

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