◎ 题干
I have _____ old pen and my brother has _____ new one.

[     ]

A. a, an
B. an, a
C. a, a
◎ 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“I have _____ old pen and my brother has _____ new one.[ ]A.a, an B.an, a C.a, a …”主要考查了你对  【不定冠词(a,an)】  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。