.With age, the mineral content of human bones decreases, ________ them more fragile.
____person like him won’t be satisfied with ____ little progress that he has made.
No man is born _____. We all need to learn to become _____.
English is one of the ______ languages at international meetings.
In the 19th century the government _____ land to settlers willing to take care of it.
It ______ quite correct that happiness comes from thinking about things in a positive way.