For many years, people _____ electric cars. However, making them has been more difficult than predicted.

试卷相关题目

• 1My brother is an actor. He ______ in several films so far.

  A.appears

  B.appeared

  C.has appeared

  D.is appearing

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• 2— We _____ to put off our school sports meet until next month. — I _____ that.

  A.have decided; didn't expect

  B.decided; didn't expect

  C.have decided; haven't expected

  D.decide; don't expect

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• 3Although medical science _____ control over several dangerous diseases, what worries us is that some of them are returning.

  A.achieved

  B.has achieved

  C.will achieve

  D.had achieved

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• 4—  ___ you ___ him around the museum yet? —  Yes. We had a great time there.

  A.Have … shown

  B.Do … show

  C.Had … shown

  D.Did … show

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• 5The first use of atomic weapons was in 1945, and their power _____ increased enormously ever since.

  A.is

  B.was

  C.has been

  D.had been

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• 6The first decade in the 21st century _____ the rapid rise of China as a world economic power.

  A.witness

  B.has witnessed

  C.will witness

  D.have witnessed

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• 7This is the first time we _____ a film in the cinema together as a family.

  A.see

  B.had seen

  C.saw

  D.have seen

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• 8— You are smoking at work again!— Sorry! I promise this is the last time I _____.

  A.have smoked

  B.had smoked

  C.smoke

  D.am smoking

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• 9So far, a large number of people from the country _____ into town in the hope of finding a job they like.

  A.are moving

  B.is moving

  C.have moved

  D.has moved

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• 10Can you make sure _____ the key of her flat?

  A.whether Alice had put

  B.where had Alice put

  C.where Alice has put

  D.where has Alice put

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