介词on-in-under的用法ppt

介词oninunder的用法通辽市首届“名师出高徒”中小学微课教学比赛chairdeskcarballon在……上Itisonthehouse.它在房子上面。in在……里面Itisinthehouse.它在房子里面。under在……下面Itisunderthehouse.它在房子下面。oninunderWhereistheball？Itisonthedesk.Itisunderthechair.Itisinthebox.on在…上面in在…里面under在…下面2019/10/178SummingupSeeyou!