The computer age has brought about a significant change in the way young people communicate (19) ______ each other. While children would go home after school and watch TV years ago, they are now more (20) ______ to engage in activities such as chatting online with their friends or (21) ______ information on social networking sites like Facebook or Instagram. About 76 percent of parents are concerned about their children’s online (22) ______ Parents believe online access comes with risks, such as unsuitable content or cyberbullying. They also worry that their kids may make online ‘friends’ with people (23) ______ they have never met and give out personal information. Although it is impractical for adults to constantly monitor their children’s online activities, parents can (24) ______ them to be careful when they contact strangers and to avoid sharing personal information such as their phone number or home address online.

Question 19. A. in
B. about
C. with
D. for
Question 20. A. likely
B. certainly
C. probably
D. possibly
Question 21. A. bringing
B. exchanging
C. taking
D. mentioning
Question 22. A. safe
B. safely
C. unsafe
D. safety
Question 23. A. whom
B. what
C. whose
D. which
Question 24. A. suggest
B. advise
C. make
D. let