6. I think we have to study English about two to three years to understand the basics of the language. To speak it fluently takes a lot of time and effort.
7. I'm studying the language in school. I find it useful and interesting. He helps me to evolve and can be useful in the future.
8. Yes, a lot of people are now studying the language. English is international language. With it help of people from different countries can communicate, so he needs travelers, people who want to move to the United States a country where speak English.