We laugh at jokes，but seldom ________ about how they work．

试卷相关题目

• 1On the National Day, up _____ into the air. Then the crowed cheered.

  A.the balloons went

  B.went the balloons

  C.go the balloons

  D.did the balloons go

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• 2_______ snacks and drinks，but they also brought cards for entertainment when they had 　 a picnic in the forest.

  A.Not only they brought

  B.Not only did they bring

  C.Not only brought they　

  D.Not only they did bring

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• 3—It's a pity that Andrew didn't want to go to the conference. —________ willing to go，we could have paid all his expenses.

  A.Had he been

  B.Being

  C.Was he

  D.He had been

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• 4So small ________ that they don't admit much light at all.

  A.the windows are

  B.the window is

  C.are the windows

  D.is the window

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• 5Every evening after dinner，if not ________ from work，I will spend some time walking my dog.

  A.being tired

  B.tiring

  C.tired

  D.to be tired

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• 6 There are some health problems that，when ________ in time，can become bigger ones later on.

  A.not treated

  B.not being treated

  C.not to be treated

  D.not having been treated

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