it's so wet on the ground.it ___ ___raining last night.线上为什么

it's so wet on the ground.it ___ ___raining last night.线上为什么 The ground is so wet,It must have rained last night The ground is wet ,so it must have rained last night,（ 英语选择The sports ground is wet,for it ___ last night.A.has rai Since the ground is wet,it _____ last night. The sports ground is wet,for it ------- last night. The ground is really wet,it must-------last night.为什么填have r It rained last night,______the ground is wet. It must have rained last night,__ the ground is wet . 几道道英语选择题1.It rained last night,------the ground is wet this the ground isn't wet,it -----last night A can't have rained The ground is all wet. It _________ last night. A．can’t have