What we used to think _____ impossible now does seem possible.  

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• 1Before joining the Department of Defense, Mr. Panetta ______ as director of the CIA from February 2009 to June 2011.  

  A.would serve

  B.served

  C.was served

  D.had been served

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• 2—  If the traffic hadn't been so heavy, I could have been back by 6 o'clock.        — What a pity! Tina ________ here to see you.  

  A.is

  B.was

  C.would be

  D.has been

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• 3She _________ getting up early.      

  A.used to

  B.was used to

  C.uses to

  D.is using to

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• 4— Thomas didn't come to school for the meeting, did he?—  No. He ____. The meeting had been cancelled.

  A.shouldn't have come

  B.should not come

  C.didn't need to come

  D.wouldn't have come

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• 5Present at the meeting yesterday ___________the expert on DN

  A. A.are

  B.is

  C.was

  D.were

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• 6As he pushed her, sitting on a swing, she ________ higher and higher.

  A.swung

  B.wandered

  C.swept

  D.whispered

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• 7— I felt it very difficult to carry on the work all by myself.   — I could have helped you, but you _____me to.

  A.hadn't asked

  B.didn't ask

  C.haven't asked

  D.don't ask

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• 8The news________us so much that all of us were________at it.

  A.astonished；astonished

  B.astonishing；astonishing

  C.astonished；astonishing

  D.astonishing；astonished

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• 9It ____ that all the students were having lessons in the teaching buildings when the earthquake occurred.

  A.happens

  B.was happened

  C.happened

  D.was happening

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• 10All her time ___ experiments, she has no time for films.  

  A.devoted to do

  B.devoted to doing

  C.devoting to working

  D.is devoted to doing

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