◎ 题干
This shirt _____ 25 yuan.  
[     ]
A. is on sale for
B. are on sale
C. are on sale for
D. is sale
◎ 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“This shirt_____ 25 yuan.[ ]A. is on sale forB. are on saleC. are on sale forD. is sale…”主要考查了你对  【介词短语】【主谓一致】  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。