◎ 题干

If you fail this time, you'll have to do it _______ second time.

[     ]
A. a
B. an
C. any
D. \
◎ 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“If you fail this time, you'll have to do it _______ second time.[ ]A. a B. an C. any D. \…”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。