Teenagers spend too much time at they can find bedtime a struggle. Using digital media at night can have bad effects on their sleep. Try and switch off the use of technology for at least half an hour before bedtime. 3)

В данном задании необходимо вставить подходящее по смыслу слово в текст. 3) ..., be aware of cyberbullying that happens on the Net. If you face such a problem, discuss it with your parents. Подходящее слово из предложенных: be aware of cyberbullying 3) be aware of cyberbullying, be aware of cyberbullying that happens on the Net. If you face such a problem, discuss it with your parents. Ответ: be aware of cyberbullying