_____ from other continents for millions of years, Australia has many plants and animals not found in anyother country in the world.

试卷相关题目

• 1Before__________white, the door should be cleaned thoroughly.     

  A.painting

  B.paint

  C.being painted

  D.having been painted

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• 2______a little money, Jane was able to buy her mother a lovely new watch.

  A.To save

  B.Saving

  C.Saved

  D.Having saved

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• 3— Have you got your result of the final? — Not yet. I was told that the papers ______.

  A.were not grading

  B.have already been graded

  C.were still being graded

  D.have not grading

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• 4Walter offered us a lift when he was leaving the office, but ________our work, we declined the offer.

  A.not finished

  B.not having finished

  C.finished

  D.having finished

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• 5The young man, ______ several attempts to beat the world record in high jumping, decided to have another try.    

  A.to make

  B.making

  C.made

  D.having made

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• 6Lots of waste has been dumped into the river, which has led to________.

  A.lots of fish having been killed

  B.kill lots of fish

  C.lots of fish being killed

  D.lots of fish to kill

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• 7Everything ______ into consideration,they ought to have another chance.

  A.to take

  B.taken

  C.to be taken

  D.taking

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• 8The noise from the top floor, loud and constant, of the meeting room ________ can be clearly heard in our classroom.

  A.being decorated

  B.having been decorated

  C.to be decorated

  D.decorated

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• 9Although ____, the Acropolis is still handling serious problems such as deliberate damage and stealing of stones.

  A.conserving

  B.to be conserved

  C.having conserved

  D.being conserved

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• 10_____ around the Water Cube, we were then taken to see the Bird's Nest for the 2008 Olympic Games.

  A.Having shown

  B.To be shown

  C.Having been shown

  D.To show

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