妈妈警告我不要碰热炉子。

Mom ___warned me not to touch the hot stove.

医生警告病人不要吃太多甜食，否则会加重病情。

The doctor ___warned the patient not to eat too much sugar, as it could worsen the condition.

学校提醒学生们注意即将到来的考试日期。

The school ___warned students about the upcoming exam dates.