Introduction 4
Table of Contents 5
How to Study 6
Unit 1·Making Friends 9
Unit 2·Talking on the Phone 25
Unit 3·Getting to Know People 41
Unit 4·Giving Instructions 57
Appendix 74
Words＆Expressions 74
Power Up！ Listening＿ Dictation＆Script 81
Level 4 Book 1 Syllabus 84