A computer can ________ many tasks at once.   

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• 1The government said that a military exercise would be held on Monday off the country's central coast, and it warned other ships to ________ the are

  A.A.surround

  B.avoid

  C.enter

  D.observe

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• 2Perhaps the customer has ________ his monthly statement and not paid the bill.

  A.omitted

  B.bewildered

  C.overlooked

  D.escaped

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• 3Mr Smith was________to be a doctor but he became a teacher when he grew up.

  A.demanded

  B.supposed

  C.suggested

  D.agreed

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• 4Although they had made careful preparation, unexpected difficulties________in the course of their experiments.

  A.rose

  B.raised

  C.lifted

  D.arose

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• 5As we joined the big crowd, I got ________ from my friends.

  A.separated

  B.spared

  C.lost

  D.missed

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• 6Doctors are unable to ________ why the disease spreads so quickly.     

  A.told

  B.talk

  C.express

  D.explain

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• 7Those who ________ themselves to pleasure and don't work hard when they are young will surely feel regretful when they are old.    

  A.range

  B.burden

  C.abandon

  D.devote

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• 8The medicine ________ at once,and I no longer had a headache after taking it.     

  A.affected

  B.effect

  C.operated

  D.work

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• 9The new movie ________ to be one of the biggest moneymakers of all time.

  A.pretends

  B.agrees

  C.promises

  D.declines

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• 10Let Harry play with your toys as well. Clare, you must learn to ________ .

  A.support

  B.care

  C.spare

  D.share

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