Someone called me up in the middle of the night, but they hang up ____ I could answer the phone. A....
2022-12-06 15:17:00 132次 2013-2014学年山西省高二上学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Someone called me up in the middle of the night, but they hang up
____ I could answer the phone.
A. since B.
after C.
until D.
before
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