English is the global language, no matter which country in the world you go, English will be the chosen language to communicate.
You will enhance your career possibilities. In fact, there will be more and more jobs where English is mandatory.
Should you choose to study a career in an English speaking country, you will need to be quite fluent.
The new European model for students before they finish their career is beginning to oblige a good level of English (B1-B2 as in the CEF)
More and more people in Europe are entertaining the idea of planning the career in an English speaking country.
Many books, newspapers, airports and air-traffic control, technology, sports, pop music and advertising have the English as the dominant language.
In general, the universal language on the Internet is the English.
The majority of the electronically stored information around the world is in English.

English is also helpful if you are going to move to a different country because it is a “global language”.
A lot of educational information is in English; therefore to have access to this material or maybe communicate with other students it is necessary to have knowledge of English.