More and more carbon dioxide is being released into the air,________the more severe global warming effects.
To our ______, Geoffrey's illness proved not to be as serious as we had feared.
—Are you ______ me of lying to headmaster? —I'm sure you did.
After the accident, the police spent a week finding out the person who ______ it.
He is widely ______ to be the best player in the world.
Don't ______ your dictionary when you do this exercise.