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最佳答案：second floor 三楼（英式英语）third floor 三楼（英式英语）
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最佳答案：on the second floor
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最佳答案：美 3th floor of teaching building英 2th floor of teaching building
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最佳答案：My office is on the 2nd floor .（美国）
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最佳答案：This is your meal ticket for the morning,please use it on the third floor betwee
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最佳答案：Go down the Second Street,see a traffic light,turn left.keep going,a white build