Why do two separate teams compete against each other?

You can watch Harry Potter on TV_____________you can read it.

If the weather__________good, I____________camping with classmates.

Rewrite these sentences as directed in the brackets. 

I had a bad cold, so I didn’t go to school yesterday. (Rewrite this sentence with “because”)

_____________walk in the rain. It’s not good for your health.

It’s very___________ to swim there. The water is healthy polluted.

We make the air dirty because we use the car all the time. (Rewrite this sentence with “If”)

He likes playing soccer, ______________he can’t play it.

Read the following passage and answer the questions. 

There are two main kinds of sports: team sports and individual sports. Team sports are such sports as football, baseball, basketball and volleyball. Team sports require two separate teams. The teams play against each other. They compete against each other because they want to get the best score. For example, in a football game, if team A scores 4 goals and team B scores 3 goals, team A wins the game. Team sports are sometimes called competitive sports.

Are there three main kinds of sports?

Find the word which has a different sound in the underlined part:

What will you do to protect environment, if it goes on polluted? (Answer the question)