Millions of teenagers enjoy (1)…………. video games. Some play them at home. Others play them in arcades. These games are good fun (2) …………. players must be careful. Teenagers should not spend much time on these games (3) …………. they can become tired, dizzy and even obese. If they use the computer too much, they won't have time for their families and friends. People who are addicted to computer games don't like to join any clubs or play any sports. They like (4) …………. in front of the computer all the time. One doctor says. "This is very bad for young people. They must take part in activities with others. All young people should play outdoors and develop their social skills. They should be with people of their own age. They should spend only a small part of their time playing video (5) …………. . They mustn't forget to do other things too