Unit 11: Keep fit, staying Unit 11: Keep fit, staying healthy healthy Priod 70: Lesson 3: B1 (P10) Priod 70: Lesson 3: B1 (P10) Lan Lan a sick note I - vocabulary a bad cold I vocabulary– a headache I vocabulary– a virus I vocabulary– flu I vocabulary– a stomachache I vocabulary– a headache a sick note a bad cold Giấy xin phép nghỉ ốm Bị cảm lạnh Bị nhức đầu I vocabulary a stomachache a virus flu Cúm Bệnh đau bao tử Vi rút . Unit 11: Keep fit, staying Unit 11: Keep fit, staying healthy healthy Priod 70: Lesson 3: B1 (P10) Priod 70: Lesson 3: B1 (P10) Lan Lan