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

试卷相关题目

• 1— What's that noise? — Oh, I forgot to tell you. The new machine _____.

  A.was tested

  B.will be tested

  C.is being tested

  D.has been tested

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• 2— George and Lucy got married last week.  Did you go to their wedding?   — No, I___,  Did they have a big wedding?     

  A.was not invited

  B.have not been invited

  C.hadn't been invited

  D.didn't invite

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• 3— I don't suppose the police know who did it.— Well, surprisingly they do. A man has been arrested and _____ now.

  A.has been questioned

  B.is being questioned

  C.is questioning

  D.has questioned

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• 4— What does the newspaper say? — It's reported that a new airport _____ twenty miles from the city now.

  A.is being constructed

  B.is constructing

  C.has constructed

  D.was being constructed

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• 5— What is that noise? — Oh, I forgot to tell you that the new machine _____.

  A.was tested

  B.will be tested

  C.has been tested

  D.is being tested

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• 6This coastal area        a national wildlife reserve last year.    

  A.was named

  B.named

  C.is named

  D.names

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• 7More than a dozen students in that school         abroad to study medicine last year.       

  A.sent

  B.were sent

  C.had sent

  D.had been sent

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