at last the day of graduation arrived.这句话at last the day 是什么意思?为什么arrived是过去式态?
问题描述:
at last the day of graduation arrived.这句话at last the day 是什么意思?为什么arrived是过去式态?
答
at last the day of graduation arrived.这句话at last the day 是什么意思?为什么arrived是过去式态?