Unit 3: Our surroundingsDanh sách tài liệu con Từ vựngLuyện tập từ vựngVocabulary: Money and marketingReading: An interviewLanguage focus: Adverbial clauses and phrase of reasonVocabulary and listening: Shops and shoppingLanguage focus: Future formsSpeaking: A presentationWriting: A letter to a pen pal