_____ the ladder, get someone to hold it. A．When climbed B．When to climb C．When climbing D．When one ...
2023-01-03 15:09:50 75次 高考英语单选必考点冲关训练100题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
_____ the ladder, get someone to hold it.
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A．When climbed
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B．When to climb
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C．When climbing
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D．When one climbs
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