Lesson 1 Walk into the World
단원평가
Lesson 2 Money for a Good Cause
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Lesson 3 Unlock Your Creativity
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AchievementTest 1
Lesson 4 Life Is About Choices
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Lesson 5 For a More Beautiful World
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Lesson 6 See Beyond What You See
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AchievementTest 2
정답과 해설
