Book 2 Unit 1 Learn to think positively.课本听力
Book 2 Unit 2 Communicate skillfully.课本听力
Book 2 Unit 3 When the east meets the west. 课本听力
Book 2 Unit 4 Do you like green living?.课本听力
Book 2 Unit 5 Enjoy a well-planned trip. 课本听力
Book 2 Unit 6 The e-world is all around us!.课本听力
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