英语练习册.第4册PDF电子书下载

LESSON ONE 1

LESSON TWO 12

LESSON THREE 22

LESSON FOUR 32

LESSON FIVE 43

LESSON SIX 54

SELF-TEST FOR LESSON 1—LESSON 6 61

LESSON SEVEN 75

LESSON EIGHT 82

LESSON NINE 89

LESSON TEN 100

LESSON ELEVEN 109

LESSON TWELVE 118

SELF-TEST FOR LESSON 7—LESSON 12 127

期终试题 138

Key to the Exercises of Lesson One 149

Key to the Exercises of Lesson Two 151

Key to the Exercises of Lesson Three 154

Key to the Exercises of Lesson Four 157

Key to the Exercises of Lesson Five 160

Key to the Exercises of Lesson Six 163

Key to the Exercises for Self-test in Lessons 1-6 166

Key to the Exercises of Lesson Seven 168

Key to the Exercises of Lesson Eight 170

Key to the Exercises of Lesson Nine 172

Key to the Exercises of Lesson Ten 175

Key to the Exercises of Lesson Eleven 177

Key to the Exercises of Lesson Twelve 179

Key to the Exercises for Self-test in Lessons 7-12 182

期终试题答案 183

编后 186