提示：现在电脑被广泛使用，因特网越来越受欢迎。但学生和老师及父母之间对此看法不一样。请根据以下要点，写一篇短文，并表达自己的观点。

注意：1. 词数70左右；短文开头已写好，不计入总词数；

2. 短文必须包含所有要点，不要逐词翻译，可适当发挥，使其连贯、通顺。

Today, computers are widely used and the Internet is becoming more and more popular.

As Jack left his membership card at home, he wasn't allowed_______ into the sports club.

A. going B. to go

C. go D. gone

He will come to understand your efforts sooner or later. It's just a matter of_______.

A. time B. value

C. luck D. fact

My brother would like to buy a good watch but_______ was available from that shop.

A. nothing B. neither

C. no one D. none

- Look! Somebody_______ the sofa.

-Well, it wasn't me. I didn't do it.

A. is cleaning B. was cleaning

C. has cleaned D. cleans

David_______ all night in order to watch the football match between France and Italy.

A. put up B. stayed up

C. got up D. showed up

- What do you want to be when you grow up?

-I want to be_______ social worker. Many people are in great need of our help.

A. a B．an

C．the D．不填

-I don't know about you, but I'm sick and tired of this weather.

-_______. I can't stand all this rain.

A. I don't care B. It's hard to say

C. So am I D. I hope not

You will fall behind others_______ you work hard.

A. if B. unless

C. though D. since

The new law says that people_______ drive after drinking wine.

A. wouldn't B. needn't

C. won't D. mustn't