You did an amazing job today Celina~! Your answers are all great and your opinions are interesting. There are just a few corrections to your grammar. The questions that you made are also good. Keep up the great job~!

You said: Because people like fat food hamburger, pizza like this and they want to do exercise but they're only thinking.

Correct: People like to eat fatty foods. For example, hamburgers and pizza. And they want to exercise but they don't do it.

You said: Because we don't have rules in country, people can fight well and many people kill and traffic problem.

Correct: If we son't have rules in our country. it will be messy. People will be violent and there will be a lot of crimes will happen.

You said: Because if people want to diet and to good healthy nice body.

Correct: People go on a diet because they want to have a good, healthy, and nice body.

You wrote: Why people wants to success the diet?

Correct: Why do people want to have a successful diet?

You wrote: Parents say lot of "Study",Why?

Correct: Parents always say "Study hard". Why?