Although the causes of cancer ____we do not yet have any practical way to prevent it.

试卷相关题目

• 1I'll go to the library as soon as I finish what I ________.

  A.was doing

  B.am doing

  C.have done

  D.had been doing

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• 2—It is reported that the government has lightened the burden on the students.—Oh，today we are still _____ from heavy schoolwork，_____ at preparing us for the entrance examination.

  A.suffering;aiming

  B.suffered;aimed

  C.suffering;aimed

  D.suffered;aiming

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• 3— Where is our English teacher now? — She _____ with Peter in her office.

  A.talks

  B.is talking

  C.has talked

  D.talked

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• 4— Hello, I ____ to ask if I can book two tickets for tonight's film. — sorry, we've already sold out.

  A.phone

  B.will phone

  C.am phoning

  D.have phoned

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• 5—What's wrong, Mary?—The shoes don't fit properly. They ____ my feet.

  A.are hurting

  B.will hurt

  C.have hurt

  D.are hurt

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• 6— Watch out! The petrol __.—Oh, my God. We have to find a service station soon enough.   

  A.runs out

  B.has run out

  C.is running out

  D.has been run out

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• 7Ladies and gentlemen, please fasten your seat belts. The plane _____ .

  A.takes off

  B.is taking off

  C.has taken off

  D.took off

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• 8—I hate school; it's not for me. I think I'll quit.—You ________ stupid! It takes effort now, but later you will benefit from it.

  A.will be

  B.are being

  C.have been

  D.were being

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• 9The Internet，as well as newspapers and magazines，________a more and more important partin our daily life.

  A.have played

  B.are playing

  C.is playing

  D.has been played

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• 10—What's that terrible noise?   —The neighbors         for a party.    

  A.have prepared

  B.are preparing

  C.prepare

  D.will prepare

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