羽毛轻轻地飘落在地上。

The feather ___falls gently to the ground.

维多利亚瀑布是非洲最壮观的瀑布之一。

Victoria ___Falls is one of the most spectacular waterfalls in Africa.

公园里的落叶像雨点一样纷纷扬扬地飘落下来。

The autumn leaves ___fall like rain in the park.

过去一个月股市出现了大幅下跌。

There has been a significant ___fall in the stock market over the past month.