他为改善当地教育条件积极奔走宣传。
He ___campaigned actively to improve local educational conditions.
将军率领部队在边境地区进行了为期三个月的军事行动。
The general ___campaigned with his troops along the border for three months.
学生们发起了一场运动,呼吁校园垃圾分类。
The students ___campaigned for better waste sorting on campus.