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.

昨天下了一整天的雨，我们不得不取消野餐计划。

It ___rained all day yesterday, so we had to cancel our picnic plans.