—Mum,mymobilephoneisnowheretobefound.  —

问题详情：

—Mum, my mobile phone is nowhere to be found.

   —______ it in the locker room of the gym?

   A. May you leave             B. Can you have left

C. Could you leave             D. Must you have left

【回答】

B

知识点：情态动词

题型：选择题