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Unit 1: A long and healthy life
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Unit 2: The generation gap
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Unit 3: Cities of the future
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Review 1
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Unit 4: ASEAN and Vietnam
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Unit 5: Global warming
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Review 2
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Unit 6: Preserving our heritage
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Unit 7: Education options for school-leavers
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Unit 8: Becoming independent
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Review 3
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Unit 9: Social issues
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Unit 10: The ecosystem
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Review 4
Danh sách bình luận