Unit 16 lesson 2 / p 45 lớp 4
Unit 16. Lesson 2 (A3-4)
Unit 16. Lesson 2 (A1,2)
Unit 16. Lesson 1 (A1-2)
UNIT 16- LESSON B1-2 (G7)
Unit 4 (lesson 2)
UNIT 7: LESSON 2 A.2- A.3
Unit 1: Lesson 2: A5-8/ p.12-13
Unit 8: Lesson 2: A1/ p.82
Unit 14: Lesson 2: A4-5/ p.142-143
Unit 3: Lesson 2: A 3-4/ p. 32,33