The number of the employees has grown from 1,000 to 1,200. This means it has risen ____20 percent.
.Three-fourths of the buildings ______.
.Early to bed and early to rise ______ a man healthy, happy and wise.
.Mathematics ______ the language of science.
.The young ______ the vital forces in our society.
.Every man, woman and child ______ some history, enough at least, to survive in the world.