The policemen entered the building, . A.looked about and hurrying upstairs B.looking about and hurrying upstairs C.looked around and to hurry upstairs D.to look around and hurrying upstairs 查看更多

 

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The policemen entered the building, ________.


  1. A.
    looked about and hurrying upstairs .
  2. B.
    looking about and hurrying upstairs .
  3. C.
    looking around and to hurry upstairs .
  4. D.
    to look around and hurrying upstairs .

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