◎ 题干
—How much ______ the blue pants?
—______ $20.
[     ]
A. is; It's
B. are; These are  
C. are; They're
D. is; Its
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—How much ______ the blue pants? —______ $20. [ ]A. is; It's B. are; These areC. are; They're D. is; Its …”主要考查了你对  【人称代词】【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。