◎ 题干
All my friends like shopping in that supermarket. I wonder how long it _____.
[     ]
A. has opened
B. has been open
C. has been opened
D. opened
◎ 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“All my friends like shopping in that supermarket. I wonder how long it _____. [ ]A. has openedB. has been open C. has been openedD. opened …”主要考查了你对  【形容词】【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。