Here’s the text with the gaps filled in using the words from the box:

Sport is commonly defined as an athletic activity that involves a degree of competition, such as netball or (1) **basketball**. Some games and many kinds of racing are called sports. A professional at a sport is called an (2) **athlete**. Many people play sports with their friends. They need coaches to teach or train teams or individuals how to do better. Sports can be played indoors or (3) **outdoors** and by individuals or teams.

For children, sports play an extremely (4) **important** part in their lives by providing all-round development of the child, (5) **physically** and mentally. It also helps them to be fit and keep them (6) **healthy**.

Some people like to (7) **watch** other people play sports. Those who watch others playing sports are called fans. While some fans watch sports on television, others actually go to (8) **stadiums** or other places where people pay to watch them in person. These fans are called spectators.