孩子们在公园里奔跑着玩耍。

The children are ___running around the park for fun.

这台空调已经连续运行了十个小时。

The air conditioner has been ___running continuously for ten hours.

他经营这家咖啡馆已经十年了。

He's been ___running this coffee shop for ten years.

水龙头没关紧，一直在流水。

The tap was not turned off properly, and the water kept ___running.

这个促销活动将持续到下周。

The sale is ___running until next week.