警察在确认安全后重新开火。

The police ___fired their guns again after confirming it was safe.

电脑死机后，我不得不重新启动系统。

After the computer froze, I had to ___restart the system.

由于业绩持续不佳，公司决定重新聘用那位销售主管。

The company ___rehired the sales director due to continued poor performance.