Students cannot leave the library to return to the classroom or to go to any other area in the building without______from the li

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问题 Students cannot leave the library to return to the classroom or to go to any other area in the building without______from the librarian.

选项 A、permit
B、permitted
C、permission
D、permitting

答案C

解析空格内应填人一个名词，作介词without的宾语成分。选项中名词有(A)permit和(C)permission两个。permit表示“认证书，许可证”的意思，permission表示“允许，同意”的意思。从句意上可以判断出(C)permission是正确答案。

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