Is the broom under__desk?A.the teacher's B.techer's

问题描述:

Is the broom under__desk?A.the teacher's B.techer's
请高手给我个确切的答案,再讲一下其中的语法知识,我将感激不尽!

A.the teacher's
前面加the 表示特制某一位老师.