41.   We should open a window.

42.   She opened the windows to air the room.

43.   She opened a window to let in some air.

44.   Would you mind if I opened a window?

45.   She stretched over us to open the window.

46.   Windows were opened again, and lights went on in many apartments.

47.   Fortunately, the shouting woke up my wife who opened the window just as the policeman had started to climb towards me.

48.   She got up and opened the window.

49.   Lambert got up, opened the window, closed it, leaned against the wall.

50.   She opened a window and listened.