I felt somewhat disappointed and was about to leave _________something occurred which attracted my a...
2022-05-12 22:13:15 216次 湖南省衡阳市衡东县2018-2019学年高二上学期期末教育质量检测英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I felt somewhat disappointed and was about to leave _________something occurred which attracted my attention.
A.unless B.until
C.when D.while
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