Completar frases Complete the text with the missing dependent preposition.Versión en línea Navigate B2 por Florencia Campodónico 1 ? Should we save dying languages ? You may not have heard the Alaskan language of Eyak , but it is just one example of a language that has disappeared in recent years . Globalization is one factor that has resulted the growth of dominant languages like Mandarin Chinese , Spanish and English , and has led the decline of many minority languages . It is estimated that two languages die out every week . But does it really matter ? Tell us your views . 2 Jane : We should always preserve dying languages because language contributes a person's sense of identity . To let someone's language die is to let part of their identity die , too . 3 Tim : Languages contain all kinds of human knowledge , including medical and environmental information . Our understanding of that information depends our understanding of the language . 4 Pete : Languages have come and gone throughout history . It's called evolution , and we shouldn't prevent it taking its natural course . Most languages don't die because people have been banned using them . They die because people have chosen to speak another language in order to adapt modern life .