He________ his experiments and made a great contribution  to our country.   

试卷相关题目

• 1—  I hear that you have made a new market plan.   — Yes, but what puzzles me now is how to ______the plan.

  A.carry out

  B.pull out

  C.put out

  D.work out

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• 2Read the letter and__________ him.     

  A.pass it on to

  B.pass on it to

  C.pass it for

  D.pass it on

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• 3In order not to disturb his research,his wife__________the news of her sickness.   

  A.turned back

  B.turned out

  C.held backD, held out

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• 4To promote sales businesses are trying every means to ______ the wholesale price of their products.  

  A.pull down

  B.put down

  C.set down

  D.bring down

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• 5This group of designers __________ a plan for the project of the company.   

  A.drew up

  B.sent up

  C.set up

  D.turned up

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• 6The bad news of the company_________a wave of selling its shares.     

  A.sent off

  B.set off

  C.brought on

  D.set on

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