Unit 1 : Religious Places
Unit 2 : The Kind-hearted Taxi Driver
Unit 4 : The Poor in the World
Unit 7 : Service Departments
Unit 8 : How Do We Learn About the World?
Unit 9 : Scientific Expressions
Unit 10 : An Interview with an Environmentalist
Unit 11 : Driving Safety Measures
Unit 12 : Talking About Accidents
Unit 13 : Talking About Computers
Unit 14 : Talking About Meals
Unit 15 : Talking About Health
Unit 16 : Talking About Places