Unit 1 Advertising 1
Unit 2 Buying and Selling 14
Unit 3 Telecommunications 28
Unit 4 Dinner Parties 42
Unit 5 Customer Service 56
Unit 6 Companies and Products 67
Unit 7 The Stock Market 81
Unit 8 Money 95
Unit 9 The Environment 109
Unit 10 Health 121
Grammar Reference 134