Nobody noticed the thief slip into the house because the lights happened to__________.
—________busy schoolwork,the children also have to take arts,music and sports classes in their free time.—I wonder what they will bee.
In my opinion,what he told us just now about the affair simply doesn't make any ________.
Eating too much fat can ________ heart disease and cause high blood pressure.
Everyone is different and that is ________ makes our world so much better.
______ is generally accepted, economic growth is determined by the smooth development of production.