安徽省业余外语广播讲座 英语 第4册PDF电子书下载

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Lesson One 1

Lesson Two 10

Lesson Three 21

Lesson Four 30

Lesson Five 43

Lesson Six 55

Lesson Seven 65

Lesson Eight 75

Lesson Nine 85

Lesson Ten 97

Lesson Eleven 106

Lesson Twelve 117

Appendices： 129

Ⅰ．Word Study 129

Ⅱ．Translation of the Texts 140

Ⅲ．Key to Exercises 147

Ⅳ．Irregular Verbs（Book Ⅰ—Ⅳ） 168

Ⅴ．Vocabulary 171

Ⅵ．Additional Words and Expressions 180

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