_____for his expert advice, John is often asked to help others with their personal affairs.
—I’ve told Mary many times about the meeting, but she still forgot it! —I understand. Actually, anyone ______ be very forgetful at times.
Fred, who had expected how it would go with his daughter, had a great worry ______ his mind.
The cost of living in Glasgow is among the lowest in Britain, ____ the quality of life is probably one of the highest.
—Why did you arrive late? —The fog _____ our air flight for about half an hour.
Jerry had worked hard for his chemistry examination so that he could be sure of passing it at his first_____ .