警方正在调查一起不幸的事件。

The police are investigating an unfortunate ___incident.

一名青少年在周六晚上的枪击事件中严重受伤。

A youth was seriously injured in a shooting ___incident on Saturday night.

在那次事件之后，我再也没有作弊，也再没和那位老师说过话。

After that ___incident I never cheated again and I never talked to that teacher again.