◎ 题干
Any packet _____ properly will not be accepted by the post office.
[     ]
A. not to address
B. not being addressed
C. not addressed
D. not having addressed
◎ 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“Any packet _____ properly will not be accepted by the post office. [ ]A. not to address B. not being addressed C. not addressed D. not having addressed …”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。