问题详情:
I don’t know where Ann is. She ______ in her grandmother’s.
A. must B. may be C. maybe D. must be
【回答】
B
知识点:情态动词
题型:选择题
问题详情:
I don’t know where Ann is. She ______ in her grandmother’s.
A. must B. may be C. maybe D. must be
【回答】
B
知识点:情态动词
题型:选择题