Some people believe _______ has happened before or is happening now will repeat itself in the future...
2022-11-23 03:10:11 165次 2014年全国普通高等学校招生统一考试英语（北京卷解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some people believe _______ has happened before or is happening now will repeat itself in the future.
A. whateverB. whenever.
C. whereever D. however
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