CONTENTS 1
LESSON ONE 1
LESSON TWO 6
LESSON THREE 11
REVISION EXERCISES(Lessons 1—3) 16
LESSON FOUR 21
LESSON FIVE 25
LESSON SEVEN 29
LESSON SIX(略) 29
REVISION EXERCISES(Lessons 4—7) 33
LESSON EIGHT 38
LESSON NINE 43
LESSON TEN 48
LESSON ELEVEN 53
LESSON TWELVE(略) 57
REVISION EXERCISES(Lessons 8—12) 57
TEST PAPER 63
KEY TO EXERCISES 71