English is quite unique in the history ...(1)of... the world's languages: an amazing one in seven people in the world speak ...(2)it... which makes it undoubletedly the first world language in history....(3)Before... English, Latin, French and greech were also to some extend international languages ...(4)but... none of them ever managed to reach either thenumber of users that English has ...(5)or... the incredible range of situations in ...(6)which... English is used today. For example, 75% of the world's correspondence and 60% of the world 's telephone conversations are carried ...(7)out... in English. Chinese also has a billion speakers, but ...(8)when... a Chinese businessman meets a Spanish colleague at a conference, they ...(9)will... almost certainly use English as the medium of communication, ...(10)not... papers in English and the majority of doctors in thr world learn English as a part of their studies.