____ late in the afternoon, Bob turned off the alarm.

试卷相关题目

• 1_______the safety of gas, the government has checked the city's gas supply system thoroughly.

  A.To ensure

  B.Ensuring

  C.Having ensure

  D.D.To have ensured

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• 2With a lot of problems ____, the manager had a hard time.   

  A.to settle

  B.settled

  C.having settledD settling

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• 3_____ the project in time, the staff were working at weekends.

  A.Competing

  B.Having completed

  C.To have completed

  D.To complete

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• 4Passengers are permitted _____ only one piece of hand luggage onto the plane.   

  A.to carry

  B.carrying

  C.to be carried

  D.being carried

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• 5Passengers are permitted _____ only one piece of hand  luggage onto the plane.     

  A.tocarry

  B.carrying

  C.tobecarried

  D.beingcarried

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• 6Jimmy needs to improve his technique if he _____ gold at 2012 Olympic.

  A.wins

  B.is winning

  C.will win

  D.is to win

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• 7____ the project as planned, we'll have to work two more hours a day.

  A.Completing

  B.Complete

  C.Completed

  D.To complete

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• 8The wreckage of something like a jet plain discovered in the heart of the desert is believed ______ a UFO and _______down for reasons still mysterious.      

  A.to be; have fallen

  B.to have been; to have fallen

  C.to be; to fall

  D.having been; having fallen

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• 9Many environmentalists think that carbon dioxide is _______ for the global warming, which affects billions and billions of species across the globe.

  A.blamed

  B.to be blamed

  C.to blame

  D.blaming

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• 10You can go and play games with your friends when you finish your homework. But remember ______ all the lights when you leave.   

  A.to switch off

  B.to switch on

  C.switching off

  D.switching on

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