23. I know nothing about him except that he works in ____company. A. certain B. some C. one D. an本题选什么?为什么?

分类: 作业答案 • 2021-12-19 16:26:05

问题描述：

23. I know nothing about him except that he works in ____company. A. certain B. some C. one D. an
本题选什么?为什么?

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