Tham khảo tài liệu đề thi thử tiếng anh - thpt chuyên lê qúy đôn , tài liệu phổ thông, ôn thi đh-cđ phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | How men first learnt to 51_ words is unknown; in other words, the origin of language is a 52_. All we really know is that men, unlike animals, 53_invented certain sounds to express thoughts and feelings, actions and things so that they could communicate with each other; and that later they agreed54_certain signs, called letters, which could be combined to represent those sounds, and which could be written down. These sounds, 55_spoken or written in letters, are called words. Great writers are those who not only have great thoughts but also express these thoughts in words that 56_ powerfully to our minds and emotions. This charming and telling use of words is what we call literacy 57_. Above all, the real poet is a master of words. He can 58_his meanings in words which sing like music, and which by their position and association can 59_ men to tears. We should, therefore, learn to choose our words carefully, 60_they will make our speech silly and vulgar.