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    A number of tests have been conducted to that these drugs have no side effects. A. find out B. look for C. make sure D. work out 【查看更多】

     

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    A number of tests have been conducted to _________ that these drugs have no side effects.


    1. A.
      find out
    2. B.
      look for
    3. C.
      make sure
    4. D.
      work out

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    A number of tests have been conducted to _________ that these drugs have no side effects.

    A. find out             B. look for            C. make sure     D. work out

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    A number of tests have been conducted to _________ that these drugs have no side effects.

    A. find out         B. look for         C. make sure     D. work out

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    A number of tests have been conducted to _________ that these drugs have no side effects.

    A. find out　 　 B. look for　　 C. make sure　　 D. work out

     

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     A number of tests have been conducted to ______ that these drugs have no side effects.

    A. find out                 B. look for                C. make sure     D. work out

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