Unit 1 Social Contact 1
Unit 2 Asking for and Giving Information 11
Unit 3 Visiting 21
Unit 4 Selling 31
Unit 5 Money 42
Unit 6 Pastimes 52
Unit 7 Friendship 62
Unit 8 Trip 69
Unit 9 Describing 79
Unit 10 Science and Technology 88
Unit 11 American Education 98
Unit 12 Business Activities 109
Unit 13 Pollution 117
Unit 14 News and Views 125
Unit 15 Looking for a Job 134
Keys 144