◎ 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
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“What would have happened,_______, as far as the river bank?[ ]A. Bob had walked fartherB. if Bob should walk farther C. had Bob walked farther D. if Bob wal…”主要考查了你对  【虚拟语气】  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。