Scientists have many theories about how the universe _________into being.

试卷相关题目

• 1Because the shop_____, all the T-shirts are sold at half price.

  A.has closed down

  B.closed down

  C.is closing down

  D.had closed down

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• 2With the fast development of computer and Internet technologies, traditional printed books ______ by the growing popularity of online reading of e-books.

  A.are challenged

  B.have challenged

  C.are being challenged

  D.have been challenged

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• 3The price of oil is increasing so rapidly. Indeed ! The oil prices_______by 10 and 20 percent so far.

  A.increased

  B.increase

  C.had increased

  D.have increased

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• 4—That must have been a terrifying experience. —Yeah. I _____ in the damaged car, unable to move.

  A.was stuck

  B.have been stuck

  C.am stuck

  D.had been stuck

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• 5The number of deaths from heart disease will be reduced greatly if people_______ to eat more fruit and vegetables.

  A.persuade

  B.will persuade

  C.be persuaded

  D.are persuaded

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• 6It is ten years since he _______ in this college.

  A.works

  B.worked

  C.has worked

  D.had worked

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• 7I know a little bit about Italy as my parents and I _________there several years ago.

  A.are going

  B.had been

  C.went

  D.has been

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• 8By the time he retires, professor Baker _____ for almost forty years．

  A.will have taught

  B.had taught

  C.has taught

  D.is teaching

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• 9John _______ for London this afternoon and his flight _______ off at 18:20.

  A.is about to leave; will take

  B.is leaving; takes

  C.is going to leave; is taking

  D.is to leave; is about to take

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• 10---Do you know the timetable of the school bus? ---Sure, the first trip________ at 6:30

  A.m. and usually continues until 4 p.m. on weekdays.A.will start

  B.starts

  C.is starting

  D.started

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