E7 Unit 14 Lesson 1 A1
E7 Unit 14 Lesson 1 A1 (Chuan)
Unit 8: Lesson 1: A1 / p.82
Unit 13: Lesson 1: A1, 2/ p.134
Unit 3: Lesson 1: A1-2/ p.30- 31
Unit 4: Lesson 1: A1-2/ p. 44
Unit 5: Lesson 1: A1-2/ p.52-53
Unit 6: Lesson 1: A1-3/ p.62-63
Unit 7: Lesson 1: A1-2/ p.72-73
Unit 9: Lesson 1: A1-2/ p96-97
Unit 10: Lesson 1: A1-2/ p.104-105
Unit 12: Lesson 1: A1-2/ p.124-125