The reason why he was late was the rainstorm.He was late ____ there was a rainstorm.改为同义句
问题描述：
The reason why he was late was the rainstorm.He was late ____ there was a rainstorm.改为同义句
答
because,表示原因，根据句意，而后面又是一个句子，只能用because
答
because/for/since
答
这里一般用because
as 和since的语气比较弱.for的语气更弱.这三个单词都是一般说是显而易见的.since有时还会翻译成既然……的意思,所以一般用because.
答
答案：because因为
翻译：“因为暴风雨，他迟到了”