____ late he goes to bed,he always gets up early.这道题的答案是However跟No matter how.
问题描述：
____ late he goes to bed,he always gets up early.这道题的答案是However跟No matter how.
想请问为什么however可以填在这里?
答
However和no matter how同义,都表示“无论如何”的意思,又都引导让步状语从句,但它们的修辞意味和使用场合有所不同.However是比较正式的用语,大都用于书面语,口语中较少使用；no matter how则比较口语化,它的语势比however重.