The scientists ________ to find new ways to deal with pollution ever since the accident happened．

试卷相关题目

• 1Mr．Johnson tried to get rid of the man who ________ him but in vain．

  A.had followed

  B.has followed

  C.was following

  D.would follow

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• 2About 87.5％of the Chinese people feel that their living burdens are heavier than ten years ago, but their incomes ________．

  A.have increased

  B.increase

  C.increased

  D.had increased

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• 3We have to stop at the next filling station, for the petrol ________．

  A.has run out

  B.runs out

  C.is running out

  D.will be run out

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• 4Paul ________ to go to the beach when it suddenly started to rain and he felt disappointed for he had come on purpose to see the sea．

  A.had been hoping

  B.hoped

  C.was hoping

  D.had hoped

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• 5The teacher said ________．

  A.the earth moves around the sun

  B.he will go with us

  C.you are right

  D.Susan will fail in the exam

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• 6Since three months ago, the number of students making notes while listening in class ________ 90％．

  A.has increased by

  B.was increased to

  C.have increased for

  D.had increased by

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• 7I ________ for three hours when I suddenly became sick．

  A.had been working

  B.would work

  C.have worked

  D.am working

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• 8The book ________ on the floor for ten minutes, but no one has picked it up．

  A.is lying

  B.has lain

  C.has been lying

  D.lay

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• 9I ________ with some friends until I find a flat．

  A.live

  B.have lived

  C.will have lived

  D.am living

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• 10When I came out, she ________ TV．

  A.is watching

  B.watches

  C.watched

  D.was watching

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