◎ 题干
—The supermarket _________ at 9 a.m. and it __________ at 9 p.m. every day.   
—So I have to go there before 9 p.m.  
[     ]
A. open; close        
B. opens; closed    
C. opens; closes    
D. open; closed
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—The supermarket _________ at 9 a.m. and it __________ at 9 p.m. every day. —So I have to go there before 9 p.m.[ ]A. open; close B. opens; closed C.…”主要考查了你对  【实义动词】【一般现在时】【一般过去时】  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。