You look very tired and you must have been preparing for the coming examination yesterday evening, _...
2022-12-22 12:55:12 118次 2014届江苏省高二上学期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You look very tired and you must have been preparing
for the coming examination yesterday evening, _________ you ?
A．didn’t you B．haven’t C．weren’t D．hadn’t
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