Lesson One 1
Lesson Two 8
Lesson Three 16
Lesson Four 23
Lesson Five 30
Lesson Six 37
Lesson Seven 45
Lesson Eight 53
Lesson Nine 63
Lesson Ten 72
Lesson Eleven 82
Lesson Twelve 91
Lesson Thirteen 99
Lesson Fourteen 107
Lesson Fifteen 118
Lesson Sixteen 126
Lesson Seventeen 136
Lesson Eighteen 148
Lesson Nineteen 157
Lesson Twenty 168
Lesson Twenty-One 178
Lesson Twenty-Two 188
Lesson Twenty-Three 196
Lesson Twenty-Four 206
Lesson Twenty-Five 214
Lesson Twenty-Six 223
Lesson Twenty-Seven 230
Lesson Twenty-Eight 238
Lesson Twenty-Nine 248
Lesson Thirty 256
Lesson Thirty-One 264
Lesson Thirty-two 273
Lesson Thirty-Three 284
Lesson Thirty-Four 293
Lesson Thirty-Five 304
Lesson Thirty-Six 314
Lesson Thirty-Seven 325
Lesson Thirty-Eight 335
Lesson Thirty-Nine 345
Lesson Forty 357
附录 370
Ⅰ.语音 370
Ⅱ.不规则动词表 380
Ⅲ.数词 384
Ⅳ.缩写词 389
Ⅴ.短语及词组 392
Ⅵ.总词汇表 401