Mistakes don’t just happen, but they occur for a reason. What we ought to do is find out the reason and then making the mistakes _____________.
A．reasonableB．essentialC．considerateD．worthwhile
D

試題分析：考查形容詞。句意：錯誤的發(fā)生往往是有原因的。我們應(yīng)該做的是找出出錯的原因然后讓錯誤變得有價(jià)值。A、合情合理的；B、重要的；C、考慮周到的；D、值得的；有價(jià)值的，所以答案選D。
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