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    When Madam Curie did the science experiment again, she was more careful where she a mistake. A. made B. has made C. was making D. had made 【查看更多】

     

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    When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.

    A. made            B. has made   C. was making        D. had made

     

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    When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.

    A. made         B. has made   C. was making      D. had made

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    When Madam Curie did the science experiment again，she was more careful         she had made a mistake．

        A．when                   B．how                    C．what                      D．where

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