Unit 1 Gift-giving
Unit 2 Celebrations
Unit 3 Roommates
Unit 4 Housing
Unit 5 At the Library
Unit 6 Self-description
Unit 7 Being a Confident Speaker
Unit 8 Emotions
Unit 9 Making Arrangements
Unit 10 Satisfaction
Unit 11 Argument
Unit 12 Infectious Disease
Unit 13 Oceans and Beaches
Unit 14 Food Chain
Unit 15 Car Rental
Unit 16 Merit
Unit 17 Accidents
Unit 18 Natural Disasters
Unit 19 Personal Experience
Unit 20 Being Creative
