题目内容
3.No reference books are to be taken out of the reading room without permission.分析 未经允许任何参考书都不许带出阅览室.
解答 答案:permission.
分析句子结构可知,本句使用的是be to do表示一种制度或者规定,所以后面的状语应该是未经允许without permission;故答案为permission.
点评 首字母填空题考查的是词汇的记忆和运用能力,平时要注意积累和运用.同时还要注意提示字母.
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