How to Use this Book UNIT 1 Greetings UNIT 2 Colors and Shapes UNIT 3 Numbers UNIT 4 Classroom Review I Units 1~4 UNIT 5 Body Parts UNIT 6 Five Senses UNIT 7 Family UNIT 8 Describing People Review II Units 5~8 UNIT 9 Pets UNIT 10 House UNIT 11 Clothes UNIT 12 Weather and Seasons Review III Units 9~12 UNIT 13 Calendar UNIT 14 Playing Outside UNIT 15 Time UNIT 16 School Review IV Units 13~16 Syllabus