The key to exercise solutions in chapter 9.2 - Grammar for the textbook Wider World 4 - Student's Book with authors Suzanne Gaynor, Kathryn Alevizos and Carolyn Barraclough from Pearson Education
Question
Listen to a teenager talking about school proms in Britain and answer the questions.
Answer
sixteen years old
at the end of sixth form or when they are eighteen years old
Boys usually wear tuxedos and girls usually wear formal dresses.