The woman was about to open the door ____________ she heard a strange sound from inside. A．as B．whil...
2023-01-01 21:34:09 38次 2014届甘肃省高一下学期第二次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The woman was about to open the door
____________ she heard a strange sound from inside.
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A．as
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B．while
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C．when
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D．then
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