Everyone is in the classroom,---------- ---------- 反义疑问句?

问题描述:

Everyone is in the classroom,---------- ---------- 反义疑问句?

Everyone is in the classroom,aren’t they?
当陈述部分的主语是I ,everyone,everything,nobody 时,后面的疑问句应表示为:
I am a student,aren’t I
Everyoneisintheclassroom,aren’t they?(基本不用单数)
Nobody will go,will they?