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    (   ) 3. You ____  by nothing to succeed if you work hard and never give up.

    A.  are discouraged

    B.  aren't discouraged

    C.  discourage

    D.  don't discourage

    3. A be discouraged意为"阻止，阻碍"。

    题目来源：仁爱英语同步练习册九年级上册仁爱版 > Topic1 When was it invented?

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