__________ work has been done to improve people' s living standard.

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• 1 Lincoln thought it was wrong to keep Negroes __________ slaves.

  A. in

  B. as

  C. for

  D. at

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• 2 The search was __________ when the fog got thicker.

  A. called off

  B. called on

  C. called in

  D. called for

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• 3 All the reference books should be made __________ to the teachers and students in our university.

  A. concerned

  B. available

  C. related

  D. flexible

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• 4 I' d __________ you didn' t touch that, if you don' t mind.

  A. rather

  B. better

  C. happier

  D. further

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• 5 He was __________ enough to understand my questions from the gestures I made.

  A. intelligent

  B. efficient

  C. proficient

  D. diligent

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• 6 " Good-bye, Mr. Wang. I' m pleased __________ you. "

  A. to meet

  B. meeting

  C. to have been meeting

  D. to be met

   

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• 7 The old man walked slowly, stopping frequently__________.

  A. on rest

  B. at rest

  C. resting

  D. to rest

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• 8 The __________ flowers were all that remained.

  A. two yellow little

  B. little two yellow

  C. yellow two little

  D. two little yellow

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• 9 Don' t risk __________ the job which so many people want.

  A. losing

  B. to lose

  C. lost

  D. your life to lose

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• 10 Don' t risk __________ the job which so many people want.

  A. losing

  B. to lose

  C. lost

  D. your life to lose

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