手术后，他终于恢复了视力。

After the surgery, he finally ___regained his eyesight.

球队在换帅后重新获得了联赛领先地位。

The team ___regained the league lead after changing coaches.

经过几天的谈判，公司重新获得了该项目的控制权。

After days of negotiation, the company ___regained control of the project.