Học kì 2Danh sách tài liệu con Unit 11. Family timeUnit 12. Our Tet holidayUnit 13. Our special daysUnit 14. Staying healthyUnit 15. Our healthSelf - check 3Try it yourself 3Unit 16. Seasons and the weatherUnit 17. Stories for childrenUnit 18. Means of transportUnit 19. Places of interestUnit 20. Our summer holidaysSelf - check 4Try it yourself 4
