----- Hey, Look where you’re going? ------ oh, I’m terribly sorry. ______.
The president stood by a window inside the room, ____, looking over the square.
As time went by, the plan stuck ____ fairly practical.
It was believed that things would get worse, but ____ it is they are getting better.
The students spent as much time getting trained as they ____ studying.
——Did your sister pass the exam?——She failed and is in low spirits.——I’m sorry for her.——____.