Contents 1
Book One 1
Lessons One to Twelve 1
Lesson Thirteen 14
Lesson Fourteen 23
Lesson Fifteen 30
Lesson Sixteen 38
Revision Exercises(Lessons 13-16) 45
Lesson Seventeen 50
Lesson Eighteen 63
Lesson Nineteen 72
Lesson Twenty 83
Lesson Twenty-One 93
Revision Exercises(Lessons 17-21) 102
Lesson Twenty-Two 109
Lesson Twenty-Three 121
Lesson Twenty-Four 130
Revision Exercises(Lessons 22-24) 139
Key to the Exercises 144
Lesson One 167
Book Two 167
Lesson Two 180
Lesson Three 193
Lesson Four 205
Lesson Five 216
Revision Exercises(Lessons 1-5) 226
Lesson Six 235
Lesson Seven 243
Lesson Eight 252
Lesson Nine 261
Lesson Ten 271
Revision Exercises(Lessons 6-10) 280
Lesson Eleven 286
Lesson Twelve 298
Lesson Thirteen 312
Lesson Fourteen 325
Lesson Fifteen 338
Lesson Sixteen 352
Lesson Seventeen 362
Revision Exercises(Lesson8 11—17) 372
Key to the Exercises 380