学校要求每位学生参加舞会时必须有家长陪同监督。
The school requires every student to have a parent ___chaperone them at the dance.
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.
学校规定每位外出活动的学生都必须有一名监护人陪同。
The school requires every student on the trip to have a ___chaperone.