◎ 题干
Mary ______ a beautiful dress for her little sister last Saturday.
[     ]
A. buys    
B. bought    
C. is buying    
D. will buy
◎ 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“Mary ______ a beautiful dress for her little sister last Saturday. [ ]A. buys B. bought C. is buying D. will buy …”主要考查了你对  【实义动词】【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。