–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：虚拟语气与情态动词

题型：选择题