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How long did it take to build the Wall?
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修建长城用了多长时间呢? |
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How long did it take to complete the 555-foot Egyptian obelisk, topped with a 3,300-pound marble capstone and a 9-inch pyramid of cast aluminum?
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要建造这个高555英尺的埃及式方尖碑，上头还要加上重达3300磅的大理石顶盖，并且以9吋厚的铝来制作尖端的金字塔顶，需要花上多长的时间呢？ |
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How long did it take you to figure out the cost of that machine?
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你费了多少时间，才算出那部机器的价钱？ |
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How long did the Hudson's Bay Company control the northern lands?
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哈得逊湾公司控制加拿大北部领土长达多久？ |
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How long did the Hundred Years War last?
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英法百年战争持续了多少年？ |
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How long did the space flight last?
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航天飞行持续了多久？ |
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How long did you sleep last night?
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昨天晚上你睡了多长时间？ |
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How long did you stay in Washington?
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你在华盛顿待了多久? |
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How long did you suspend the contact with the buyer?
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如与其中断联系，则有多久？ |
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How long did you work there?
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你在那儿工作多久了? |
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How long do I have to complete my course?
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多长时间可以完成我的课程? |
