Every teacher and every student ____invited to the ceremony to be held tomorrow填什么,为什么?
问题描述：
Every teacher and every student ____invited to the ceremony to be held tomorrow填什么,为什么?
is 或者are中的
答
Every teacher and every student （is） invited to the ceremony to be held tomorrow.
每位老师和每一个同学都被邀请参加于明天举行的典礼.
主语是every...and every ...,虽然有and连接,但强调的是个体,形式上为单数.