学校管理员每天都会检查宿舍的卫生情况。

The school ___warden checks the dormitory cleanliness every day.

公园管理员提醒游客不要喂食野生动物。

The ___warden reminded visitors not to feed the wild animals.

学院的院长将于下周主持新生入学典礼。

The ___warden of the college will preside over the freshman orientation next week.