◎ 题干
--May I speak to your manager at four o’clock this afternoon?
--I’m sorry. He ________ to a conference long before then.
A.will have goneB.had goneC.would goD.has gone
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--May I speak to your manager at four o’clock this afternoon?--I’m sorry. He ________ to a conference long before then.A.will have goneB.had goneC.would goD…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。