问题
选择题
— I can't find Dad. Where is he?
— I'm not sure. He be in the study room. [ ]
A. must
B. may
C. need
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— I can't find Dad. Where is he?
— I'm not sure. He be in the study room. [ ]
A. must
B. may
C. need
答案：B