He didn't come toschool on time because of the rain
He didn't come toschool on time because it rained.

若有疑问及时追问,满意敬请采纳,O(∩_∩)O谢谢~~He didn't come to school on time because _ _ _(天下雨)——三空He didn't come toschool on time because._ _ _ _(有雨)——四空谢谢it was rainingit has been raining/it's a rainy day.