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Những gì chúng ta sợ làm nhất thường là những gì chúng ta cần làm nhất -Tim Ferriss
Unit 1: Leisure time
Unit 2: Life in the countryside
Unit 3: Teenagers
Unit 4: Ethnic groups of Viet Nam
Unit 5: Our customs and traditions
Unit 6: Lifestyles
Unit 7: Environmental protection
Unit 8: Shopping
Unit 9: Natural disasters
Unit 10: Communication in the future
Unit 11: Science and technology
Unit 12: Life on other planets