The reason ______ he was late was unknown
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/05 18:29:07
Thereason______hewaslatewasunknownThereason______hewaslatewasunknownThereason______hewaslatewasunkno
The reason ______ he was late was unknown
The reason ______ he was late was unknown
The reason ______ he was late was unknown
that
why
reason 做原因状语
why 他迟到的原因还是未知
定语从句 缺少关系副词 表示原因 用Why