________ the secret of nature, they young scientist has little time for entertainment.

试卷相关题目

• 1 ______ nice, the fruit has a good sale.

  A.Tasting

  B.Tasted

  C.Being tasted

  D.Having tasted

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• 2When first __________ to the market, the computer software was not a success due to its complexity in operation.

  A.introducing

  B.being introduced

  C.introduced

  D.to be introduced

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• 3He stood up, ________ the large door and looked outside. There on the ground lay a white dog.

  A.opens

  B.opened

  C.opening

  D.having opened

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• 4I would rather ________ the chance than ________ you.

  A.not to take; to hurt

  B.not taking; hurting

  C.not take; hurt

  D.don't take; to hurt

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• 5Mary came in , _____ by her dog.

  A.following

  B.to follow

  C.followed

  D.to be followed

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• 6A driver should ________ the road when _________.

  A.concentrate on; drive

  B.concentrate in; driving

  C.concentrate to; drove

  D.concentrate on; driving

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• 7I hated practicing, but I stuck_________it and now I can play pretty well.

  A.to do

  B.to doing

  C.do

  D.doing

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• 8During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates ____ beside to see what would happen.

  A.were standing

  B.stood

  C.standing

  D.to stand

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• 9 ________ from endless homework on weekends, the students now find their own activities to enjoy.

  A.Freed

  B.Freeing

  C.To free

  D.Having freed

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• 10“We can't go out in such weather．” said the father, _____ out of the window, and left his daughter disappointed．

  A.looking

  B.looked

  C.to look

  D.having looked

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