Without electronic computers, much of today's advanced technology ________．

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• 1I wish your parents ______ you tomorrow．

  A.will forgive

  B.would forgive

  C.forgive

  D.have forgiven

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• 2________ I known it, I should have told him.

  A.Have

  B.Had

  C.Having

  D.If

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• 3I requested ______ talking．Which of the following is right？

  A.that she stopped

  B.her stop

  C.that she should stop

  D.that she stops

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• 4________, I would have told you．

  A.If I knew it

  B.Had I known it

  C.If I know it

  D.Did I know it

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• 5Once again Dick failed in the exam． He _______ since he was quite a good student．

  A.should not fail

  B.should not have failed

  C.needn't fail

  D.needn't have failed

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• 6The children went on playing outside as if nothing ________ .

  A.happened

  B.had been happened

  C.is happening

  D.had happened

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• 7The workers in the factory demanded that their pay _______ by 20 percent.

  A.be raised

  B.would be raised

  C.should arise

  D.should be risen

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• 8Without his help, I _______ in such a good house．

  A.won't live

  B.wouldn't live

  C.didn't live

  D.hadn't lived

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• 9Had electronic computers not been invented, many problems on space flight ________.

  A.could not have been solved

  B.could not be solved

  C.can not be solved

  D.could not have solved

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• 10I wish I ________ more attention to my study when I was young.

  A.gave

  B.would give

  C.have given

  D.had given

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