开始下雨了，我就撑开了伞。

The ___rain started, so I opened my umbrella.

大雨倾盆而下，模糊了视线。

The ___rain came down in torrents, obscuring the view.

生日派对上，五彩纸屑像雨点般洒落。

At the birthday party, colorful confetti ___rained down on everyone.

粉丝们在演唱会上向歌手抛洒鲜花。

The fans ___rained flowers on the singer during the concert.