David knocked at the door for nearly half an hour______Mary opened it, unwilling. A. when B. while C...
2022-12-02 13:30:46 61次 2013-2014学年辽宁省抚顺市六校联合体高三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：
David knocked at the door for nearly half an
hour______Mary opened it, unwilling.
A. when B.
while C. until D.
before
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