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  剑桥Join in三上B
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  剑桥Join in三上A
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  New Interaction 二上
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  New Interaction 一上B
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  New Interaction 一上A
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  take a photo
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  tie shoelaces
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  Shanghai Version 一上
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  Shenzhen Version 一上B
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  Shenzhen Version 一上A
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  Beijing Version三上C
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  Beijing Version三上B
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  Beijing Version三上A
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  Beijing Version 一上
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  Tian Jin Version Part B
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  Tian Jin Version Part A
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  Hebei version Part 2
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  Hebei version Part 1
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  Shandong VersionPART 3
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  Shandong VersionPART 2