数学：
小明、小亮、小雨、三人进行跳绳比赛、小明跳了320下，小亮跳的下数是小明跳的8分之3，小雨跳的下属是小亮跳的5分之8。
８分之３×５分之８表示：_______________。
英语：
用everyone,one,other,theother,another填空：
①Since__________is here.Let's begin our class.
②He has no English dictionary,so he has decided to buy_________.
③___________two weeks,we could have finished the job.