----Excuseme,sir,visitinghoursareover.Youmustleave.    ...

问题详情：

----Excuse me, sir, visiting hours are over. You must leave.

         ----Pardon me, nurse. I     hear the bell.

       A. didn’t           B. don’t         C. needn’t        D. can’t

【回答】

A

知识点：相似 相近词比较

题型：选择题