旅行确实能开阔你的视野。

Travelling certainly ___broadens ___your ___horizons.

这次会议很成功，确实开阔了你的视野。

The conference was a success and definitely ___broadened ___your ___horizons.

学习一门新语言可以拓宽你的视野。

Learning a new language can ___widen ___your ___horizons.