dents think they (we) can go online as much as possible in our spare time because we are free then. through the internet, they can gain plenty of the newest knowledge and the latest news at home and abroad. what’s more, network offers them(us) a convenient way to communicate with each other. the internet makes their lives outside class colourful and various.

　　on the other hand, a few students partly agree to this idea. going online is part of our daily life. they suggest a time limit. they’ve found that more students are playing computer games instead of studying their lessons. there’re few students who are often absent from school for days.

　　20. dear tom,

　　     i felt terribly sorry to learn that both your parents had been killed in the september 11th incident. in this incident the world trade centre, which used to be one of the tallest buildings in the world, was completely destroyed and thousands of people lost their lives. i’m very angry abo

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