Unit 1
Dialogue Making a Flight Reservation 1
Text Can I Buy an Hour of Your Time? 2
Grammar 动词不定式 7
Exercises 10
Unit 2
Dialogue At the Airport（Ⅰ） 15
Text Give Yourself a Break 16
Grammar 现在分词 20
Exercises 23
Unit 3
Dialogue At the Airport（Ⅱ） 28
Text American English 29
Grammar 过去分词 33
Exercises 36
Unit 4
Dialogue At the Customs 41
Text Night Watch 42
Grammar 动名词 45
Exercises 49
Unit 5
Dialogue Giving a Gift 54
Tex Healthy Habits 55
Grammar 介词 59
Exercises 62
Unit 6
Dialogue Talking about Work 66
Text Will It Matter If I Skip Breakfast? 67
Grammar 简单句 并列句 复合句 71
Exercises 73
Unit 7
Dialogue Inviting Friends to Dinner 78
Text Life Is Made of All kinds of Feelings 79
Grammar 名词性从句 83
Exercises 87
Unit 8
Dialogue At the Bar 92
Text The Job Interview 93
Grammar 状语从句（Ⅰ） 96
Exercises 99
Unit 9
Dialogue Opening a Bank Account 103
Text Reading Books 104
Grammar 状语从句（Ⅱ） 110
Exercises 112
Unit 10
Dialogue Renting a House 117
Text How to Be a Successful Language Learner? 118
Grammar 现在完成进行时与过去完成进行时 123
Exercises 125
Unit 11
Dialogue At the Barber's 130
Text The Value of Education 131
Grammar 虚拟语气（Ⅰ） 135
Exercises 139
Unit 12
Dialogue Asking for a Leave 144
Text Three Days to See 145
Grammar 虚拟语气（Ⅱ） 150
Exercises 153
Glossary 158
Phrases＆Expressions 174
Appendix 参考译文及练习答案 177