Functions: Unit 1 - Making arrangements. Page 21, exercise 3. Speaking Activity. Functions: Unit 2 - Offers and promises. Page 41, Interactive video activities. Page 41, exercise 1. Page 41, exercise 3. Audio, page 41, exercise 3. Speaking Activity. Functions: Unit 3 - Talking about experiences. Page 63, Interactive video activities. Page 63, exercise 1. Audio, page 63, exercise 3. Page 63, exercise 3. Speaking Activity. Functions: Unit 4 - Making phone calls. Page 83, exercise 1. Page 83, exercise 1. Page 83, exercise 3. Speaking Activity. Functions: Unit 5 - Talking about past events. Page 105, exercise 1. Page 105, exercise 3. Audio, page 105, exercise 3. Speaking Activity. Functions: Unit 6 - Being polite. Page 125, exercise 1. Audio, page 125, exercise 3. Page 125, exercise 3. Speaking Activity.