---When did the experts leave our school yesterday? ---_________ the rain stopped. A. Until B. Not u...
2022-10-03 00:03:42 40次 江苏省东台市第四联盟2019届九年级12月月考(含听力)英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
---When did the experts leave our school yesterday?
---_________ the rain stopped.
A. Until B. Not until C. Unless D. Not unless
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