that引导原因状语从句的例句（that引导从句的七种用法）

1. My clock rings so loudly that it will certainly wake me up.

2. He is so friendly a boy that everyone likes him.

3. The Pacific is such a big ocean that it passed through many countries.

4.They are such kind volunteers that they always offer to help others.

5.He is so little that he can't dress himself.