◎ 题干
--- Are these pens ?  
---Yes, ______.     
[     ]
A. these are      
B. they are      
C. there are
D. they're
◎ 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“--- Are these pens ?---Yes, ______.[ ]A. these areB. they areC. there are D. they're …”主要考查了你对  【一般疑问句】【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。