◎ 题干
—Where _______ the keys?
—_______ on the desk.
[     ]
A. are; It's    
B. are; They're
C. is; It's
D. are; It's
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Where ________ the keys? —________ on the desk. [ ]A. are; It's B. are; They're C. is; It'sD. are; It's …”主要考查了你对  【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。