Language only belongs ___(1)___ human beings. Each nation has its own language. We are born to speak the language ___(2)___by our ancestors naturally and automatically. I speak Vietnamese fluently just because I was ___(3)___ in Vietnam where my parents, as well as all others living around me speak Vietnamese. A man who was born and grown up in any ___(4)___ country surely speaks English very well. We all know the advantages of learning a foreign language. The more languages we learn, ___(5)___ we get into the knowledge treasure of humanity.