Johanna waited at the bus stop for nearly an hour ___ the bus finally arrived. A. when B. unless C....
2023-02-13 10:12:57 114次 四川省南充高中2010届高三5月适应性考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Johanna waited at the
bus stop for nearly an hour ___ the bus finally arrived.
A. when B.
unless C.
before D.
after
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