2个根据汉语写单词的正确形式..

问题描述:

2个根据汉语写单词的正确形式..
He is still worrid about not ____ (原谅) his sister for her fault.
The problem of stress gets _____ (严重) when people don't share their problems.

He is still worrid about not forgiving (原谅) his sister for her fault.
注释:介词"about"后面动词必须用-ing形式.
The problem of stress gets serious (严重) when people don't share their problems.