You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.
The balloons, a great ______, ______ the atmosphere of the festival.
You could ______ this company if you play your cards right.
I can’t ______ him with my little affairs.
He ______ say what he thought.
—Would you please help me carry this heavy box upstairs? —______.