It is not enough only________ the rules of grammar if you want to learn English well.
The better use you can make _____ time, the greater contributions you will make _____ society.
There are not enough seats for the guests. We need _____ chairs.
Parks are _____ of the few places where people in cities may have sports.
_____ of the world’s books and newspapers are written in English.
Most English people have ______ names: _____ name, a middle name and the family name.