关于英语ing问题这道题是这样的That day I saw some parents ＿ at the back of

That day I saw some parents ______ at the back of the classr That day I saw some parents__at the back of the classroom,__ Seat的用法I saw him seated at the back of the classroom.I saw h I saw some people sitting at the back of class,listening to Last thursday I noticed some parents ___ at the back of the 1 we sat at the back of the bus that day.这句话哪里有错 2 I asked t I saw some villagers ____at the back of the classroom,listen 英语翻译I saw him ____ himself at the back of the classroom.A si I saw some villagers_____on the bench at the end of the room 1、I saw some villagers____on the bench at the end of the roo I saw some children ______ （swim）in the river at that time.如 I saw you stand(ing) at the door.