Unit One
Lesson One
Lesson Two
Lesson Three
Lesson One-Lesson Three
Unit Two
Lesson One
Lesson Two
Lesson Three
Lesson One-Lesson Three
Mid-exam
Unit three
Lesson One
Lesson Two
Lesson Three
Lesson One-Lesson Three
Unit Four
Lesson One
Lesson Two
Lesson Three
Lesson One-Lesson Three
Final-exam
ListeningTapescripts andthe Keystothe Lessons
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