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

试卷相关题目

• 1He is the only one of the students who _____ winner of scholarship for three years.

  A.is

  B.are

  C.have been

  D.has been

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• 2—  Would you care for a cup of coffee?   — I ________ one. Thank you just the same.  

  A.had

  B.have had

  C.would have

  D.will have

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• 3It is hard to imagine what progress they _____ in the past few months.  

  A.made

  B.have made

  C.had made

  D.make

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• 4Listening to loud music at rock concerts      caused hearing loss in some teenagers.  

  A.is

  B.are

  C.has

  D.have

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• 5Mary, I should tell you it is the third time that you________ your homework.

  A.forgot to do

  B.forgot doing

  C.have forgotten to do

  D.had forgotten doing

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• 6The country life he was accustomed to________ greatly since 1992.

  A.has changed

  B.change

  C.changing

  D.have changed

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• 7Tom is so lazy that it is the third time that he _____ late this week.  

  A.is coming

  B.comes

  C.came

  D.has come

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• 8In the past twelve months the research members _____ the effectiveness of many materials in a home building.

  A.had studied

  B.would study

  C.studied

  D.have studied

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• 9It is the first time that the local education authority ________ such strict requirements on    going-to-school time for primary and middle school students.

  A.makes

  B.has made

  C.had made

  D.made

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• 10She knows so much about England. She _____ there before.

  A.must be

  B.must live

  C.must have been

  D.must have lived in

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