一到有关介词的英语题,快一些,马上需要答案答:within five minutes.They worked hard. They finished the work within 2 days at last.表示场所,方向的介词 表示场所的介词: at,in,on,under,by,near,between.表示方向的介词: into,out of,along,acros,through,to,from.at,in at 在某地点(表示比较狭窄的场所) 返回 at school at home ...