Many children 1 to play computer games, 2 they don't know playing them for a long time is 3 for their eyes. If we look around, we can 4 many children begin to wear glasses when they are six 5 seven years old, even younger. So parents and teachers should 6 children not to play on the computer for a 7 time. Computers are very useful and computer games are also very 8 , but we 9 take good care of our 10 .
