Who is the person is standing at the school gate ?
They won’t let their teacher _______ in that way.
John, you must get your room ________ after breakfast.
He reached the station _____ only _____ that the train had just left.
——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
The housewe used to livehas been rebuilt.