服务员会为我们上咖啡和甜点。

The waitress will ___serve us coffee and dessert.

他在军队服役了三年。

He ___served in the army for three years.

她在医院担任护士长达十年。

She ___served as a nurse in the hospital for ten years.

这块木板可以作为临时的凳子使用。

This wooden board can ___serve as a temporary stool.

她在网球比赛中发球非常有力。

She ___serves the ball with great power in tennis matches.