__________ without friends __________ the most difficult challenge for Chuck while living on the island.
The murderer, who was _____ to death by the judge last week, was only 20 years old.
The black hero fought all his life to make black and white people _____.
Only _____ people can have a good understanding of the lecture given by the scientist.
The politician was deeply hurt when many of his former supporters voted _____ him, and he lost his place in the government.
The kind lady devoted all her life to _____ those homeless children.