________ it have been the failure to pick up directions from the ground control that caused the air crash?

试卷相关题目

• 1In Copenhagen Climate Conference, rich countries promised to _________ a fund of ＄100 billion a year by 2020 to help developing countries. 

  A.make up

  B.put up

  C.set up

  D.send up

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• 2People who cannot ________ between colors are said to be color-blind. 

  A.tell

  B.differ

  C.distinguish

  D.spot

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• 3Farmers have to change their use of or demand for water ________ the water supply forecast. 

  A.leading to

  B.due to

  C.owing to

  D.according to

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• 4“I’ll leave this job for a better one, ”he _________ say when he was scolded by his boss. 

  A.would

  B.used to

  C.was used to

  D.should

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• 5He ________ to persuade Eric, but he failed. 

  A.attempted

  B.succeeded

  C.managed

  D.admitted

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• 6After about an hour I decided to give up the movie and ________ on my popcorn. 

  A.fix

  B.chew

  C.taste

  D.concentrate

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• 7As you know, fighting is the last thing in the world I want to _______. 

  A.compete

  B.complete

  C.take part

  D.join in

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• 8My new issue of Twenty-first Century.School Edition has disappeared.Who ________ have taken it?

  A.should

  B.must

  C.could

  D.would

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• 9After his brother left school, he got employed in a construction company, and ________ there ever since. 

  A.worked

  B.was worked

  C.has worked

  D.is working

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• 10The local people ________ building the new hotel because of the great cost.

  A.opposed

  B.accused

  C.disagreed

  D.objected

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