Are you sure that...that引导什么从句?
问题描述:
Are you sure that...that引导什么从句?
答
Are you sure that 引导的是宾语从句 连接词that无意义,在从句中不充当任何成分,可以省略
Are you sure that we'll have class tomorrow?
也可以说
Are you sure we'll have class tomorrow?