________, the boy couldn't enter his house. A．Since the key has lost B．The key been lost C．Lost the ...
2023-01-29 11:21:02 14次 2010届高考考前非谓语动词精华专练一百五十题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________, the boy couldn't enter his house.
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A．Since the key has lost
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B．The key been lost
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C．Lost the key
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D．Having lost the key
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本题链接：
