The key answer of exercise 1
The key to exercise solutions in chapter 2e - Speaking skills for the textbook On Screen B1+/B2 - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Julie is having a problem with her electricity bill. Her friend is suggesting ways to reduce energy waste. Listen and read to find out what her friend suggests.
Answer
Julie's friend suggests turning off the lights when she leaves a room, buying energy-saving light bulbs and shutting down the computer when she’s not using it.