Chapter 2, Lesson 1: Exercise 2A
Chapter 2, Lesson 1: Exercise 2B
Chapter 2, Lesson 1: Exercise 7
Chapter 2, Lesson 2: Exercise 3A
Chapter 2, Lesson 2: Exercise 5A
Chapter 2, Lesson 2: Exercise 7AB
Chapter 2, Lesson 2: Exercise 7D
Chapter 2, Lesson 2: Exercise 8AB
Chapter 2, Lesson 3: Exercise 6AB