When I got back home I saw a note pinned to the door, ________ “Sorry to miss you; I will call you later.”
____ I’ve known your situation, I’ll send the money to you imediately.
When the invader arrived, millions of people ____ from their homeland.
They are ___ the old houses in order to set up a new teaching building.
You should ___ the students instead of just telling them what to do.
It has rained for a whole day.But I think it's going to ___.