he was angry when he heard the news. he was angry ___the news.

题目

he was angry when he heard the news. he was angry ___the news.
1 with hearing 2 in hearing 3 on hearing 4 for hearing
选择哪一个,及分别说出每个为什么对与错

答案

he was angry on/upon hearing the news
这个题考的是介词的用法,表示当……的时候可以用on 或者upon.