Tiếng Anh - Lớp 4 - Tiếng Anh - Phonics SmartMục lục1.Unit 1: Back to school(5)2.Unit 2: Family and Friends(5)3.Review 1(1)4.Unit 3: Appearance and personality(5)5.Unit 4: School activities(5)6.Review 2(1)7.Unit 5: Places and directtions(5)8.