Working as doctors in wars _______ very hard, ________? A. are, aren’t they B. do, don’t they C. is,...
2022-10-18 07:29:30 136次 2018-2019学年冀教版九年级全册英语课堂练习1 Unit 9 Communication 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Working as doctors in wars _______ very hard, ________?
A. are, aren’t they B. do, don’t they C. is, isn’t D. does, doesn’t
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