◎ 题干
The teacher told us yesterday that December 25 _____ Christmas Day.
[     ]
A. is              
B. was            
C. has been    
D. will be
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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 teacher told us yesterday that December 25 _____ Christmas Day. [ ]A. is B. was C. has been D. will be …”主要考查了你对  【系动词】  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。