关于新概念2册91课习题

问题描述:

关于新概念2册91课习题
为什么第5题要选C?
原题是:
He was angry when he heard the news.He was angry_____the news.
C选项是on hearing
有be angry on doing的搭配吗?
不是只有be angry about/at sth或for doing sth吗

有 BE ANGRY ON DOING STH这种组合