供参考
My parents were very angry at it.
My parents were very angry with me.
My parents were very angry because of it.
一般不用for it话说你和下面那个答的不太一样。。。话说你第二个是对的吧。。。语言的用法有很多,只要不是明显违背语法的,口语一般都可以,你还有什么不明白的?可以用about 么？可以.be angry about/over sth.都可以。