◎ 题干
The bookshop      since three years ago.
[     ]
A. was open          
B. has been open    
C. has been opened    
D. has 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“The bookshopsince three years ago.[ ]A. was open B. has been openC. has been opened D. has opened…”主要考查了你对  【被动语态】【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。