家长应设法控制孩子的屏幕使用时间。

Parents should try to have ___control over their children's screen time.

他在结冰的路面上失去了对汽车的控制。

He lost ___control of the car on the icy road.

抗议过后，当局重新掌控了城市广场。

After the protest, the authorities regained ___control of the city square.