―CanItakethemagazinesout?       －No,sir.They

问题详情：

―Can I take the magazines out?

        －No, sir. They ______ out of the reading-room. It’s a rule.

         A. needn’t be taken     B. can’t take         C. mustn’t be taken

【回答】

C

知识点：情态动词

题型：选择题