His invention ______ of no use by the scientists of that time．

试卷相关题目

• 1---Oh, God! Look at your new shirt! It has been totally ruined． ---Worse luck! I ______ in the rain．

  A.have got caught

  B.had got caught

  C.got caught

  D.get caught

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• 2---Would you like to come to the party here on Saturday? ---I'd love to, but my father insisted that I ______to see my grandparents at the weekend．

  A.go

  B.will go

  C.must go

  D.would go

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• 3My mother doesn't approve _______ abroad to study before graduation from high school.

  A.me to go

  B.me to going

  C.of me to go

  D.of me going

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• 4I was out town at the time, so I don't know exactly how it ________.

  A.has happened

  B.happened

  C.happens

  D.was happening

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• 5—Do you think we should accept that offer? — Yes, we should, for we _______such bad luck up till now, and time __ out.

  A.have had; is running

  B.had; is running

  C.have; has been run

  D.have had; has been run

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• 6When she realized I _______ her, she quickly made a pose, smiling.

  A.photographed

  B.had photographed

  C.was photographing

  D.will photograph

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• 7---Have you finished reading Gone With the Wind? ---No, I_________ my homework all day yesterday.

  A.was doing

  B.would do

  C.had done

  D.do

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• 8— Where do you think _____ he _____ the computer — Sorry , I have no ide

  A.A.has ; bought .

  B.×; bought

  C.did ; bought

  D.had ;bought

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• 9---Are you still very busy? ---Yes, I _____ the report for the manager and it won't take long．

  A.have just finished

  B.am just finishing

  C.had just finished

  D.am just going to finish

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• 10---Do you know our home town at all? --- No, this is the first time I _____ here.

  A.was

  B.am coming

  C.came

  D.have come

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