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    精英家教网 > 高中英语 > 题目详情
    ________ if you want to do something, or you won’t be able to do it well.
    A．To try your bestB．Trying you bestC．Try your bestD．Unless you try your best
    C
    考查非谓语动词和祈使句。句意“尽最大努力，如果你想做一件事的话，否则你不会做好它。”A表示目的，B表示伴随；D中的unless不能与if连用。C项是祈使句，符合题意。故选C。
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