Nothing can (do) _______ unless we are given more information about the situation.

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问题 Nothing can (do) _______ unless we are given more information about the situation.

选项

答案be done

解析 本题考查情态动词的被动语态。根据题意,不定代词nothing作主语,与所给动词do之间是被动关系,因此需用被动语态。can为情态动词,情态动词被动语态结构是:情态动词+ be + 动词过去分词。
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