问题详情:
To keep safe, everyone ______ to wear a hat in the building.
A. is supposed B. are supposed C. supposes
【回答】
A
知识点:情态动词
题型:选择题
问题详情:
To keep safe, everyone ______ to wear a hat in the building.
A. is supposed B. are supposed C. supposes
【回答】
A
知识点:情态动词
题型:选择题