As food is to the body, ______ is learning to the mind.
I saw Mary dancing at the party and on such ______ she was really excellent.
—Sorry, Bill, I can’t go straight on and spend more time with you in Paris.—________.
After being brought up in the countryside for a decade, the daughter returned to the big city, ________ worked his parents.
—George hasn’t applied to the department for the position.—What? He was to ________ yesterday.
The total cost of this project will be more than ________ that of the one last century, which is expected to cost below US a score billion.