题目内容

10．Students are not to leave the campus withoutbeing permitted （permit）．

分析 不被允许，学生们将不能离开校园．

解答 答案：being permitted
此处用在介词without之后，表达的是被动含义，所以应使用动名词的被动语态；故用being permitted．

点评 做类似的题时，应结合句意，并从语法分析的角度去判断句中所填单词的形式；另外，在平时的学习中，应熟练掌握所学到的词汇以及各类词法，句法等语法知识；例如本题就考查到了动名词的被动语态的用法．

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