Răspuns :
English is a very important language because it is used as an international language. Also, it is used in trading and it is the most popular foreign language among students.
English is a world language, used both as a first, and as a second language. With English, people with different languages/from different parts of the world, can communicate/understand each other, and that's why it is used in trade. That's also why it is very popular among students.