由于网络问题，视频通话时他的声音总是滞后。

His voice always ___lags behind during video calls due to network issues.

游戏中的延迟让玩家无法及时反应。

The ___lag in the game made it hard for players to react quickly.

每次团队开会，他总是最后一个到场的。

He's always the ___last in our team meetings, arriving after everyone else.