◎ 题干
What would have happened ______as far as the river bank ?
A.Bob had walked farther B.if Bob should walk farther
C.had Bob walked farther D.if Bob walked farther
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“What would have happened ______as far as the river bank ?A.Bob had walked fartherB.if Bob should walk fartherC.had Bob walked fartherD.if Bob walked farther…”主要考查了你对  【虚拟语气】【情态动词】  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。