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The Internet has become an important part of teenage life. Most of them use the Internet to get lots of
knowledge and 1 . The teenagers keep in touch with their friends online. It's 2 than phoning someone far
away and e-mail is 3 much quicker than ordinary mail. But some teenagers are not using it 4 the right way.
Some of them would find life difficult without it. Some teenagers spend 5 time online. Some of the students
who used to do well at school are now failing in exams because now they spend most of their 6 playing games
online. It is 7 for teenagers to use the Internet properly. They should learn 8 to use the Internet for study and
keep away from 9 websites. They should make sure that surfing the Net doesn't 10 their homework or being
with their friends.

(     )1.  A. discussions       (     )2.  A. more expensive    (     )3.  A. too               (     )4.  A. in                (     )5.  A. much too          (     )6.  A. time              (     )7.  A. useless           (     )8.  A. what              (     )9.  A. good              (     )10.  A. take the place of

B. friends    B. dearer     B. also       B. by         B. too much   B. money      B. important  B. why        B. useful     B. take place

C. information C. cheapest   C. either     C. with       C. too many   C. knowledge  C. impossible C. where      C. bad        C. take down

D. money     D. cheaper   D. as well    D. on         D. so many    D. attention  D. unpleasant  D. how        D. healthy                   D. take off

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