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6. It is ____ waste of time for young men to devote themselves to playing computer games on ___ Internet only for _____ pleasure.

A. /; the; /     B. the; the; /     C. a; the; a       D. a; the; /

8. We Chinese can work wonders, that is, we can make ____.

A. impossible possible 

B. the impossible possible

C. impossibly possible 

D. the impossible possibly

They wanted to charge $ 5, 000 for the car ,______ we managed to bring the price down .

A．but       B．so      C．when       D．since

There is no known_____for this disease but it can be______.

A. cure, treated         B. cured; treat       C. cure; treat      D. treat; cured

According to the air traffic rules, you ___ switch off your mobile phone before boarding.

   A. may           B. can     C. would            D. should

If I ______ plan to do anything I want to，I’d like to go to Tibet and travel through as much of it as possible.

A.would     B.could     C.had to     D.ought to

It has been raining for a day, but even though it hadn’t rained, we _____ there by tomorrow.

    A. can’t get                       B. won’t get

    C. hadn’t got                      D. wouldn’t get

“He will come tomorrow.” “But I’d rather he _____ the day after tomorrow.”

A. will come            B. is coming

C. came                 D. had come

____the sketch of Xiao Shenyang made a _____has been known to us all.

   A.That; hit            B. What; strike        C.Why; beat          D.which; knock

You waste much time______pig flu.on the internet..

   A. to know            B. knowing           C. know             D. to be known