Lesson 1 1
Lesson 2 22
Lesson 3 44
Lesson 4 64
Lesson 5 84
Lesson 6 105
Review Exercises（Lessons 1—6） 127
Lesson 7 136
Lesson 8 152
Lesson 9 169
Lesson 10 187
Lesson 11 205
Lesson 12 224
Review Exercises（Lessons 7—12） 244
Appendix Ⅰ Outline and Supplement of Grammar 257
Appendix Ⅱ Irregular Verbs 260
Appendix Ⅲ The Chinese Versionand Key to the Exercises 264
Appendix Ⅳ Phrases and Expressions 339
Appendix Ⅴ Vocabulary 345