One of the most 1.___(SURPRISING) features of the computer age is the huge amount of time that young people spend communicating with each other.
Whereas a generation ago children would go home after a 2.___(TIRING) day at school and watch TV, nowadays they are likely to do something much more 3.___(SOCILISING), such as chat online with their friends.
Others exchange information on 4.___(INCREASING) popular social networking sites such as Facebook. What some parents find rather 5.___(WORRYING), however, is how easily they can make online 'friends' who they have never actually met, and also the amount of information that their children are so 6.___(ENTHUSIASTIC) outting onthe these websites for anyone to see.
Parents are right to be 7.___(ANXIOUS), but with many children spending hours a day online it is simply 8.___(IMPRACTICAL) for adults constantly to watch over them. All they can do is advise them to be extremely 9.___(CAUTIOUS) about contact with strangers, and to warn them not to put personal information such as their phone number or home address online.
1 who
2 I'm glad you are bach
3 This house is not mine, mine is that green cottage next to it
4 best антоним worse