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It is known to everyone that no smoking(permit)______in the library.is permitted
It is known to everyone that no smoking(permit)______in the library.is permitted
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2024-06-25
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问题
It is known to everyone that no smoking(permit)______in the library.
选项
答案
is permitted
解析
本题考查的是被动语态。被动语态的基本结构是“be+过去分词”。又根据主谓一致原则,当动名词短语作主语时,谓语动词应用单数形式,所以用is而非are;由it is known that...判断出应用一般现在时,因此正确答案应是is permitted。
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