when school was over yesterday,it______(snow)

问题描述:

when school was over yesterday,it______(snow)

was snowing!

填snowed (主过从过)
句意:昨天放学的时候下雪了。

填snowed (时间为昨天,所以用snow的过去式)
句意:昨天放学的时候下雪了.

snowed
昨天放学的时候下雪了~