关注公众号，免费领取中小学各科电子课本、学习资料。
点击弹出公众号二维码
Unit 1 Telephone conversations Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Unit 2 Wonderful holidays Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Unit 3 Great people Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Lesson 21 Unit 4 Interesting fables Lesson 22 Lesson 23 Lesson 24 Lesson 25 Lesson 26 Lesson 27 Fun reading sleeping beauty
