By the time I locked the door, I realized I ________ my keys at home. A．had repaired B．had changed C...
2022-12-08 05:49:28 13次 2014-2015学年山东省东营市九年级中考模拟英语试卷（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 I locked the door, I realized I ________ my keys at home.
A．had repaired B．had changed
C．had forgotten D．had left
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