in the past跟什么动词等着,谁第一个就谁了in the past childen ______in this river in summer

in the past跟什么动词等着,谁第一个就谁了in the past childen ______in this river in summer past能做动词吗?past one stage in a competition to the next stage.这句里的past到底做什么词啊? in the past 5 years 跟 for the past 5 years RT in the past 什么时态啊? in the past 用什么时态 in the past year 什么中文意思 in the past 和in the last有什么区别? in the past造句 Memory in the past in the past two in the past翻译 ：in the past century in the past long in the past few Trapped in the past in the past Great changes __(take) place in Jiangsu in the past 30 years 动词填空 in the past two years和over the past two years有什么区别?