—Have you been watching TV? Don’t        valuable time running.—I’m not. I’m tired now and only am taking a short break.

Hard work and lack of sleep have _____ her beauty and youth in recent years.

The discovery of the new drug is of great ____ to people who suffer from heart problems.

The newly built dining hall ,which is ______the old one., will open to students next Sunday.

Many restaurant menus include the origins of a dish, _______ it is prepared, what the main ingredients are, and which farms the ingredients come from.