I think that something has to be done to stop the air from being polluted, ______ ?

试卷相关题目

• 1He must have known the truth yesterday, _________?

  A.haven't you

  B.didn't you

  C.have you

  D.did you

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• 2I don't think she will come to the meeting on time, ______?

  A.do I

  B.do you

  C.will she

  D.won't she

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• 3Looking good is important to women, _______ it?

  A.does

  B.isn't

  C.doesn't

  D.is

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• 4It's the first time that he has been to Australia，________？

  A.isn't he

  B.hasn't he

  C.isn't it

  D.hasn't it

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• 5It's the third time that Li Ming has been to Xi'an , _______?

  A.isn't he

  B.hasn't he

  C.isn't it

  D.hasn't it

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• 6Something has to be done to stop the rivers from being further polluted, ________ ?

  A.doesn't it

  B.hasn't it

  C.does it

  D.has it

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