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    Most parents encourage their children to take an active part in school events those events do not have a bad effect on their studies. A. unless B. if C. though D. but 【查看更多】

     

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    Most parents encourage their children to take an active part in school events _________ those events do not have a bad effect on their studies.


    1. A.
      unless
    2. B.
      if
    3. C.
      though
    4. D.
      but

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