税务检查员发现了公司纳税申报单中的一个错误。

The ___inspector discovered an error in the company's tax returns.

一名学校督学将于下周来访，评估我们的教学方法。

A school ___inspector will visit next week to evaluate our teaching methods.

考试期间，检查员进入教室以确保一切正常。

During the exam, the ___inspector entered the room to ensure everything was in order.