For some time now, world leaders _____ out the necessity for agreement on climate change, the world economy and African development.
. He ate what he could, and gave the _____ of the food to the birds.
Mary had taken _____ to see that her guests had everything that they could possibly want.
It isn't so much whether he works hard; the question is whether he works _____.
Expected noises are usually more _____ than unexpected ones of the like magnitude.
Experts say walking is one of the best ways for a person to _____ healthy.