I can't __ the difference between them because they look like the same.
Bears __________ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
-Do you have an __________ way to solve this problem?-No, this is the only way, I think.
One third of the country __________ covered with trees and the majority of the citizens __________ black people.
Japan's refusal to release __________ Chinese fishing boat captain had already caused __________ damage to Sino-Japanese bilateral contacts (双边关系).
William found it increasingly difficult to read, for his eyesight was beginning to __________.