学生会发起了一场强烈的抗议，反对提议的学费上涨。

The students' union ___mounted ___a strong ___protest against the proposed tuition fee hike.

竞争对手公司正准备在今年发起一场严峻的市场主导权争夺战。

The rival company is preparing to ___mount ___a serious ___challenge for market dominance this year.

环保组织发起了一场持续的运动，以提高公众对塑料污染的认识。

Environmental groups have ___mounted ___a sustained ___campaign to raise public awareness about plastic pollution.