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    Dr. Frank failed many times but he finally to find a successful way to solve the problem. A. broke off B. broke out C. broke down D. broke through 【查看更多】

     

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    Dr. Frank failed many times but he finally _________ to find a successful way to solve the problem.

    A．broke throughB．put upC．picked outD．gave away

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    Dr. Frank failed many times but he finally _________ to find a successful way to solve the problem.

    A．broke through      B．put up            C．picked out         D．gave away

     

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    . Dr. Frank failed many times but he finally _______ to find a successful way to solve the problem.

             A. broke off      B. broke out     C. broke down D. broke through

     

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    Dr. Frank failed many times but he finally _____ to find a successful way to solve the problem.

    A. broke off                         B. broke up                         C. broke down                    D. broke through

     

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    Dr. Frank failed many times but he finally _________ to find a successful way to solve the problem.


    1. A.
      broke through
    2. B.
      put up
    3. C.
      picked out
    4. D.
      gave away

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