___ most of the earth’s surface is covered by water, fresh water is very rare and precious.
——Are you through with your homework? ——Well, ____.
She was such a proud person that she would die ____ she would admit she was wrong.
Working in the kitchen for years made Tom ____ a good cook.
$100 a month could hardly ____ the cost of his life in such a big city in this country.
——You know Mr. Green has been ill for days? ——Yes, I wonder if he is ____ better now.