This plan comes from _____ Warning Alert and Response Network Act, _____ 2006 federal law that requires improvement to the nation's emergency alert system.

试卷相关题目

• 1Play, often seen as _____ activity for kids, is still important in _____ development of teenagers.

  A.the; the

  B.an; the

  C.an; 不填

  D.the; 不填

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• 2Games, often seen as ____ activity for children, are still important in ____development of teenagers.

  A.the: the

  B.an; the

  C.an; /

  D.the; /

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• 3It's really _____ fun to walk alone with _____ full moon hanging in the sky.

  A.a; the

  B.a; /

  C.the; a

  D./; a

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• 4As he reached _____ front door, Jack saw _____ strange sight.

  A.the; 不填

  B.a; the

  C.不填; a

  D.the; a

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• 5It's not _____ good idea to drive for four hours without _____ break.

  A.a; a

  B.the; a

  C.the; the

  D.a; the

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