◎ 题干
___      three times in a row, the boxer decided to make a fourth attempt, though.
A.Having defeatedB.To have defeated
C.Having been defeatedD.To defeat
◎ 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“___three times in a row, the boxer decided to make a fourth attempt, though.A.Having defeatedB.To have defeatedC.Having been defeatedD.To defeat…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。