______ time, animals have developed many ways to stay away from their enemies. A. Through B. On C. ...
2023-02-16 21:49:21 16次 2010届高考英语二轮复习跟踪测试：介词和连词专题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
______ time, animals
have developed many ways to stay away from their enemies.
A. Through B.
On C.
By D.
Over
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