The door was locked.The children could't get out______the room
问题描述：
The door was locked.The children could't get out______the room
答
The door was locked.The children could't get out___from___the room
get out from = 从....里出来
答
应该是get out of .（门锁了，屋子里有孩子出不来了。）
答
用OF，门被锁了孩子们无法从房间里出来
答
The children couldn't get out __of__ the room.
答
The door was locked.The children could't get out___of___the room