_______ such heavy pollution already, it may now be too late to clean up the river.      

试卷相关题目

• 1Mr.Jones, _______ a great loss last year, has no courage to go on with his business. 

  A.suffering

  B.to suffer

  C.suffered

  D.having suffered

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• 2____ at a decision, they immediately set to work.

  A.Arriving

  B.Arrived

  C.Having arrived

  D.Having been arrived

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• 3____ finished my homework, I asked my brother ____ interrupt me.     

  A.Having never; not to

  B.Having not; to not

  C.Not having; to not

  D.Not having; not to

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• 4_____ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.

  A.Waiting

  B.To wait

  C.Having waited

  D.To have waited

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• 5Dina, ______ for months to find a job as a waitress, finally took a position at a local advertising agency.

  A.struggling

  B.struggled

  C.having struggled

  D.to struggle

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• 6_______ the apartment, the firefighters shut off the gas, opened the windows and rescued the old  couple.   

  A.To break into

  B.To be broken into

  C.Having broken into

  D.Broken into

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• 7Dina, ____ for months to find a job as a waitress, finally took a position at a local advertising agency.   

  A.struggling

  B.struggled

  C.having struggled

  D.to struggle

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• 8The terrible accident __________ his careless driving.

  A.due to

  B.result in

  C.was due to

  D.result from

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• 9_____ to reach them on the phone, we sent an email instead.

  A.Fail

  B.Failed

  C.To fail

  D.Having failed

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• 10The old man, _____ abroad for twenty years, is on the way back to his motherland.

  A.to work

  B.working

  C.to have worked

  D.having worked

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