— Why must I wear my school uniform mom?— Because you are a student. You are to wear yo

问题补充：

— Why must I wear my school uniform, mom?

— Because you are a student. You are to wear your own clothes to school.

A. allowed

B. not allowed

C. allow

D. not allow

答案：

A. allowed

(答案→)B. not allowed

C. allow

D. not allow

解析：sb be allow to do sth某人被允许做某事，被动形式；根据句意：妈妈，为什么我必须穿校服？因为你是学生。你不被允许穿你自己喜欢的衣服去学校。故选B.