If there ______ no buying and selling of animals, there ________no killing in nature.  

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• 1— How do you find the oil price now? — It _____ up all the time and no one knows when it will become stable.

  A.had gone

  B.has been going

  C.has gone

  D.had been going

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• 2At this time next week we ________ a football match against Class 9.

  A.are going to play

  B.will be playing

  C.will play

  D.are to play

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• 3The ambulance was just arriving, for a worker, who ______ the window on the second floor, fell off the window.

  A.had been repairing

  B.was repairing

  C.has been repairing

  D.would be repairing

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• 4By the time Jack returned home from England, his son_____ from college.

  A.graduated

  B.has graduated

  C.had been

  D.had graduated

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• 5------What will you do during the coming winter vocation? ------ I don't know, but it's about time ______ something.

  A.I'm deciding

  B.I'll decide

  C.I'd decided

  D.I decided

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• 6Over the last decade, my experiences________ there is no shortcut to excellence and you have to use your talents and abilities to get ahead of others.

  A.had proved

  B.prove

  C.have proved

  D.were proving

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• 7Months ago we sailed ten thousand miles across this open sea，which _______the Pacific，and we met no storm．

  A.was called

  B.is called

  C.had been called

  D.has been called

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• 8The song writer and music composer ________ to show up at the press conference next week.

  A.are going

  B.is going

  C.will be

  D.are

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• 9By the time the fire-engine arrived, the fire ________ by the inhabitants.

  A.put out

  B.had been put out

  C.was put out

  D.had put out

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• 10The scientist __________ the experiment for half a year, but he _______ yet.

  A.made; didn't succeed

  B.made; hasn't succeeded

  C.was making; didn't succeed

  D.has been making; hasn't succeeded

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