The volunteers kept on searching for the missing people in the earthquake, _____they were hungry and...
2022-12-29 18:08:25 85次 2014-2015学年广东广州花都区九年级下综合测试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The volunteers kept on searching for the missing people in the earthquake, _____they were hungry and tired.
A. because B. but C. although D. so
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