At the sight of the scene of war, my _____ race back more than 50 years to the dark days of 1940.

After long and hard work, the police at last discovered the         of the baby found by the side of a road.

There’re more Olympic______ winners per head of population in Australia than in other countries.

Teachers are not happy when they find in class their students sending       to their friends.

  _____ of water makes Death Valley a desert, but it is by no means devoid.