Help others whenever you can you’ll earn respect from others without difficulty.
People take naps at noon in warmer climates, ____ the heat makes work difficult in the early afternoon.
--- What do you think of this novel? --- Er … sorry. I _____. What did you say?
At the conference, people of different _______ were given a chance to exchange theirs with each other.
This book tells ____ life story of John Smith, who left ____ school and worked for a newspaper at the age of 16.
John opened the door. There _____ he had never seen before.