New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.

试卷相关题目

• 1We ________ our students since we came to this school．

  A.have been getting on well with

  B.have been getting along with

  C.have been getting well

  D.have been getting along

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• 2Look!The water ________ into vapor．

  A.is turned

  B.being turned

  C.is being turned

  D.is being turning

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• 3In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.

  A.turned out

  B.turned over

  C.turned down

  D.turned off

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• 4Fish soon ________ bad in hot weather．

  A.gets

  B.grows

  C.becomes

  D.goes

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• 5We ________ a bridge over a river in my home-town last month．

  A.were building

  B.build

  C.would build

  D.are building

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• 6Hello!At last I ________ you all morning．

  A.have been phoning

  B.had phoned

  C.am phoning

  D.will phone

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• 7I ________ my washing machine the whole morning．I must get it done before noon．

  A.have repaired

  B.am repairing

  C.will repair

  D.have been repairing

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• 8My cousin          in Beijing University at present, after which she will work in Beijing.

  A.educated

  B.has been educated

  C.is being educated

  D.was educated

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• 9Next month my father ________ to China from America．

  A.returns

  B.are returning

  C.are going to return

  D.would return

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• 10Police are now searching for a woman who is reported to _______ since the flood hit the area last Friday．

  A.have been missing

  B.have got lost

  C.be missing

  D.get lost

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