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    They would not be ready to experiment with new forms and to make mistakes, both of to their increased ability to learn. A. which contributes B. them contribute C. them contributing D. what contributes 【查看更多】

     

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    They would not be ready to experiment with new forms and to make mistakes, both of

    _____ to their increased ability to learn.

    A. which contributes　　　　　 B. them contribute C. them contributing　 D. what contributes

     

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