Until the start of the Industrial Revolution, mankind was poor, hungry, and constantly at the _______ of disease and natural disasters.
Paul can’t attend the party ____at Tom’s house at present because he is preparing for the speech at the party _______at Mary’s house tomorrow.
With lots of trees and flowers _____here and there, the city looks very beautiful.
.____to someone , a British person often shakes hands with the stranger.
_____a reply he decided to write again.
Little Franz thought of nothing but ______football .