他努力工作以实现成为飞行员的抱负。

He worked hard to ___fulfill ___an ___ambition of becoming a pilot.

她周游世界以实现观看北极光的梦想。

She traveled the world to ___fulfill ___a ___dream of seeing the Northern Lights.

公司实现了减少碳排放50%的目标。

The company ___fulfilled ___its ___goal of reducing carbon emissions by 50%.