◎ 题干
With all the magazines I needed _____, I left the post office.
[      ]
A. buying    
B. to buy    
C. bought    
D. to be bought
◎ 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“With all the magazines I needed _____, I left the post office.[ ]A. buyingB. to buy C. boughtD. to be bought…”主要考查了你对  【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。