chaperone|chaperoned|chaperones

学校要求家长在毕业舞会上陪同学生。

The school requires parents to ___chaperone students at the prom.

学校要求每位学生在博物馆参观时必须由老师陪同。

The school requires every student to be ___chaperoned by a teacher during the museum visit.

学校要求每位学生在毕业舞会上必须有监护人陪同。

The school requires every student to have ___chaperones at the prom.