关于宾语从句作形容词的宾语，现详细解析如下：
一、哪些形容词可以后接宾语从句
只有部分形容词可接宾语从句，这些形容词通常为表示情感情绪的词： afraid, ashamed，anxious，aware，annoyed，certain，confident，convinced，disappointed，determined，glad，happy, proud，pleased，satisfied，surprised，sorry，sure, thankful，worried
二、此类宾语从句由什么引导词引导
该宾语从句常由that引导，that可省略
She is surprised that you can persuade her.
她很诧异，你居然能够说服她。
He is thankful that his son has come home.
他感到欣慰的是，他的儿子已经回家了。
They were confident that they would win.
他们确信他们会获得胜利。
not sure/ not certain + wh-疑问词引导的宾从
I'm not sure who will win the contest.
我不太确定谁会赢得这场比赛。
He isn't certain when the meeting will begin.
他不太确定会议将于何时开始。