By the time Dave reached the small boat, a thick white fog _______ over the surface of the water. A....
2022-11-15 06:20:30 82次 2014-2015学年江苏响水中学高二上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
By the time Dave reached the small boat, a thick white fog _______ over the surface of the water.
A. spread B. has spread
C. had spread D. was spreading
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