at,on和in是表示时间的常用介词,各类考试屡见踪影,也是孩子容易出错的考点:即at某时刻, on某天, in某段时间,时间的跨度是由小到大。 选用介词at的场合 介词at主要可用于以下几种场合,家长需提醒孩子特别注意的是at在固定短语或习惯搭配中的使用。 用于钟点前 ·at ten...
The pace of change in energy sources appears to be speeding up—perhaps just in time to have a meaningful effect in slowing climate change。 What Washington does—or doesn...
"Once Upon a Time" Adventure The Once Upon a Time walk-through attraction takes place inside the castle at the top of eight flights of stairs. A series of digitally enhance...
更多内容请点击：全民学英语 | 今日话题——小学英语知识点,如何区分介词 at、on... 推荐文章