What a pity! Considering his ability and experience,he __________ better．

A．need have done

B．must have done

C．can have done

D．might have done

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参考答案

答案解析

【参考译文】太遗憾了!鉴于他的能力和经验，他本可能做得更好。
【答案解析】本题考查虚拟语气中情态动词的用法。need have done，本来有必要做(而没做)；must have done是对过去发生的事情的肯定推测，表示“过去一定做了”；can have done是对过去发生的事情的不肯定推测；might have done，表示“本来可以做(而没做)”。

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