Chapter 1, Lesson 1: Exercise 2D
Chapter 1, Lesson 1: Exercise 5A
Chapter 1, Lesson 1: Exercise 5B
Chapter 1, Lesson 1: Exercise 6AB
Chapter 1, Lesson 1: Exercise 6C
Chapter 1, Lesson 1: Exercise 10B
Chapter 1, Lesson 1: Exercise 11A
Chapter 1, Lesson 1: Exercise 13AB
Chapter 1, Lesson 2: Exercise 4AB
Chapter 1, Lesson 2: Exercise 5A
Chapter 1, Lesson 2: Exercise 8A
Chapter 1, Lesson 2: Exercise 8B
Chapter 1, Lesson 3: Exercise 2A
Chapter 1, Lesson 3: Exercise 4A
Chapter 1, Lesson 3: Exercise 9A
Chapter 1, Lesson 3: Exercise 12A