Because English is the language that is used all over the world.In the communication between countries need to use English to communicate.And in our daily lives, faced with the Eng is not just a communication only.
Because English is the global language of communication between countries need to use English to communicate in everyday life, we are faced with more than just communicating in English only.
Because English is the language used all over the world in international communication need to use English in our daily life and communication has to meet a lot of English is not just the communication only.