The program is like a window on the world ____ you sit by it and fix your attention on what it shows.
The next morning she found the man ___ in bed, dead.
As we have known from the map of the world, this is ______.
He is not easy-going, but his trust in his friends will last forever once _______.
The reason ____ he was late for school was _____he had to send his mother to a hospital.
_______ I’m not sure of winning the match, I will have a try anyway.