English is ________ useful subject. No one should give it up. A. a B. an C. the D. 不填
2022-10-31 17:36:20 31次 2017-2018学年七年级英语人教（上）Unit 9单元检测 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
English is ________ useful subject. No one should give it up.
A. a B. an C. the D. 不填
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