We can never expect ________ bluer sky unless we create ________ less polluted world.

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• 1My friend's birthday is coming soon.I would like to go to ________ store，or some places close by to buy him ________ present.

  A.the；the

  B.a；the

  C./；a

  D.the；a

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• 2As environment protection is becoming _______ public concern, _______ government is determined to pay more attention to the issue.

  A.不填；the

  B.a; 不填

  C.the; a

  D.a; the

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• 3Each of the 400 people received from their boss ________ gift—“Who moved my cheese？”， ________ bestseller in the US, which helped them understand how to deal with changes in their lives and work.

  A.the; /

  B.a; /

  C.a; a

  D.the; a

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• 4Young as he is, David has gained ___________ rich experience in ___________ society.  

  A.the; the

  B.a; 不填

  C.不填; 不填

  D.不填; the

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• 5(2013·江西，19)Marco Polo is said to have sailed on ________ Pacific Ocean on his way to Java in ________ thirteenth century.

  A.the；a

  B.a；/

  C./； the

  D.the；the

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• 6The operation is ________ success and the patient is now out of ________ danger.

  A.a；the

  B.a；/

  C./；the

  D./；/

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• 7George couldn't remember when he first met Mr. Anderson, but he was sure it was ________ Sunday because everybody was at ________ church.

  A./；the

  B.the；/

  C.a；/

  D./；a

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• 8Don't touch ______ live wire, or you will get  ______ shock.

  A.the; the

  B.the; a

  C./ ; a

  D./ ; /

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• 9-Are you satisfied with the result of the discussion? –Not at all , I can't have         

  A.a worse one

  B.a better one

  C.the worst one

  D.the best one

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• 10In more recent decades, California has become __________ home to more people from Asi

  A.A.a

  B.an

  C.the

  D./

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