--- Are you still thinking about yesterday’s game? --- Oh, that’s _____ .
Mary didn't come to our party yesterday because she was busy preparing for the exam. We all felt sorry _____ her.
He hid himself behind the door _____ he still could see what would happen to his classmates.
Do you have any idea of the reason _____ he referred to?
They stayed up until midnight _____ the old year out and the new year in.
If the car won’t start, _____ it.