detention

她因为没交作业被罚留校。

She got ___detention for not handing in her homework.

由于签证问题，他在机场被拘留了三小时。

He was held in ___detention at the airport for three hours due to visa issues.

这名学生因为违反校规被关禁闭三天。

The student was placed in ___detention for three days for breaking school rules.