Electric current can be transmitted from the power station to where _______.

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• 1He used to ________ his teaching years ago, but now he is used to _________ a boss.

  A.devote to ,be

  B.be devoted to ,being

  C.devote himself ,be

  D.devote ,being

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• 2The boy had his shoes ______ by his mother.

  A.wash

  B.washed

  C.washing

  D.to wash

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• 3The secretary worked late into the night, ______a long speech for the president.

  A.to prepare

  B.preparing

  C.prepared

  D.was preparing

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• 4________ your composition carefully, some spelling mistakes can be avoided.

  A.Having checked

  B.Check

  C.If you check

  D.To check

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• 5You shouldn’t keep silent when __________．

  A.speaking

  B.spoken to

  C.spoken

  D.speaking t

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• 6It seems that he has no pen ________.

  A.to write

  B.to write with

  C.writing

  D.writing with

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• 7After ________ the new words, Mr Brown went on ________ the text to us.

  A.teaching ,explaining

  B.being taught ,to explain

  C.teaching ,to explain

  D.to teach ,to explain

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• 8________ to sunlight for too much time will do harm to our skin．

  A.Exposed

  B.Having exposed

  C.Being exposed

  D.After being exposed

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• 9He left the place, _______ never to come back．

  A.determined

  B.to determine

  C.being determined

  D.having determined

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• 10Mrs. Smith was much disappointed to find the washing machine she had had _______ went wrong again.

  A.it

  B.repaired

  C.it repaired

  D.to be repaired

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