◎ 题干
My postcard is still on the desk. Why ______ you ______ it?
[     ]
A. haven't, posted      
B. didn't, post
C. wasn't posting
D. won't, post
◎ 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“My postcard is still on the desk. Why youit? [ ]A. haven't, posted B. didn't, post C. wasn't posting D. won't, post …”主要考查了你对  【现在完成时】  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。