2道首字母填空

问题描述:

2道首字母填空
1、Tennis and badminton are my h_____.
2、It is a k_____ fact that he has been dead for twenty years.
请翻译出来,谢谢!

hobbies 网球和羽毛球是我的爱好
knowing 他已去世20年了,这是众所周知的事实.