—Why did Jack look so upset? —He still failed________he tried hard. A.though B.before C.until D.unle...
2022-06-25 01:28:10 211次 河南省郑州市2018-2019学年九年级上学期9月月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Why did Jack look so upset?
—He still failed________he tried hard.
A.though B.before C.until D.unless
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