The key answer of exercise 3
The key to exercise solutions in chapter 8.6 - Speaking for the textbook Wider World 4 - Student's Book with authors Suzanne Gaynor, Kathryn Alevizos and Carolyn Barraclough from Pearson Education
Question
Watch or listen. Why doesn’t Skye open the door to Nina and Tommo?
Answer
Because she's listening to loud music with her headphones on.