◎ 题干
Minister Bill De Blasio     in office fewer than 48 hours when he came face to face with his biggest challenge in his life.
A.has been B.had been C.would be D.is
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Minister Bill De Blasioin office fewer than 48 hours when he came face to face with his biggest challenge in his life.A.has beenB.had beenC.would beD.is…”主要考查了你对  【现在完成时】【现在完成时的被动语态】  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。