There are certain _______when you have to interrupt people who are in the middle of doing something....
2023-01-29 23:40:23 130次 2010届高考二轮复习：冠词、名词、主谓一致、代词和数词专题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
There are certain _______when you have to
interrupt people who are in the middle of doing something.
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A．chances
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B．situations
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C．occasions
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D．opportunities
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本题链接：
