没有严重受伤的报告。

There were no reports of ___serious injuries.

新税法让一些较小的公司陷入了严重的困境。

The new tax regulations have landed some of the smaller companies in ___serious trouble.

空间短缺已成为许多学校的一个严重问题。

A shortage of space has become a ___serious problem in a lot of schools.