I ate sandwich while I was waiting for 20:08 train. A. the, aB. the, theC. a, theD. a, a

发布时间：2020-08-17 13:18:15

I ate      sandwich while I was waiting for      20:08 train.
A. the, a
B. the, the
C. a, the
D. a, a

网友回答

A. the, a
B. the, the
(答案→)C. a, the
D. a, a
解析：我吃了一个三明治，一般所指；特指哪一列火车，用定冠词the.
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