◎ 题干
I ate ________ sandwich while I was waiting for ________ 20:08 train.
[     ]
A. the; a
B. the; the
C. a; the
D. 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 ate ________ sandwich while I was waiting for ________ 20:08 train.[ ]A. the; aB. the; theC. a; theD. a; a…”主要考查了你对  【不定冠词】【定冠词】  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。