表示时间的介词in,on.at:一、介词in:1.in+一天中的早、中、晚：inthemorning,in____________________in____________________________2.in+某月：inoctober,in___________,in______________,in__________,in____________,in___________,in_____________,in______________,in____________,in____________,in_____________,in________________.3.in+某季节：inwinter,in___________,in____________,in____________.4.in+某年：in2015.二、介词on:1.on+某星期：onMinday,on________________,on_________________,on_________________,on_________________,on________________,on_____________.2.on+具体某一天：on16thoctober,on________________________.3.on+具体某一天的早、中、晚：onMindaymornig,on_______________________,on______________________,on_______________________,on_____________________________,on________________________________on_____________________________.onacold______________,on________________of16thOctober.4.on+节日：onChildren’sDay,on_________________,on____________三、介词at:1.at+某一时刻：atseventhirty-five.2.at+某个年龄：at13yourold
