They were listening to a program at that time.改为被动语态
They were listening to a program at that time.改为被动语态
They were listening to a progarm at that time. 改为被动语态
They were repairing the car at that time改为被动语态.
They were cleaning the room at the time.改为被动语态
改为被动语态 Did you see a bus running towards us at that time
They were listening to the radio at this time yesterday."(一般
He was cleaning the class room at that time (改为被动语态)
改为被动语态(英语)His father heard him crying at that time.He ____ _
they took the sick boy to the hospital at once改为被动语态 at once
they were at work at that time?
the students were listening to the lecture attentiveil .改为被动
They were swimming at that time.(改为否定句) They _____ swimming