How to Use this Book Unit 1 Activities Unit 2 The Past Unit 3 Plans Unit 4 Asking for Help Review I Units 1~4 Unit 5 Skills Unit 6 Necessities and Desires Unit 7 Spending Unit 8 In a Restaurant Review II Units 5~8 Unit 9 Likes and Dislikes Unit 10 Fascinating People Unit 11 Identifying Objects Unit 12 Describing Situations Review III Units 9~12 Unit 13 Rules! Rules! Rules! Unit 14 Miraculous Cures Unit 15 Get Going Unit 16 Invitations Review IV Units 13~16 Syllabus