The Internet is useful. It is becoming an important (1) of our lives. We can use the Internet to get information, make friends, send emails, watch movies and so on. Now, (2) children are using the Internet, too. But I think parents or teachers should always (3) the children when they use the Internet.
There is (4) in charge of（负责）the Internet. It’s easy to get wrong information on the Internet. Someone may cheat people on the Internet. Some information and pictures are (5) for children. Also, it’s dangerous to let children (6) chat rooms by themselves. Parents should know who their children are talking to. What’s more, (7) in front of a computer for a long time isn’t good for children’s eyes. So children shouldn’t spend
(8) time on the computer.
In a word, the Internet can change our lives (9) the better. But I strongly believe that it is (10) for parents to watch their children when they use the Internet.