目录 1
Exercises for Lesson One 1
Exercises for Lesson Two 7
Exercises for Lesson Three 12
Exercises for Lesson Four 16
Exercises for Lesson Five 22
Exercises for Lesson Six 26
Exercises for Lesson Seven 31
Revision Exercises(L.1—L.7) 36
Exercises for Lesson Eight 45
Exercises for Lesson Nine 50
Exercises for Lesson Ten 55
Exercises for Lesson Eleven 61
Exercises for Lesson Twelve 66
Exercises for Lesson Thirteen 72
Exercises for Lesson Fourteen 76
Revision Exercises(L.8—L.14) 81