英文改错 一共10处错误

英文改错 一共10处错误
what qualities does a great man have?Take mandela for example.he fought for the black people and had sentenced to prison for almost 30 years.he never gave up a rich life as a lawyer but offered guidance to the poor black people on their legai problem.In robben island prison with which no one could escape,Mandela began a school for those who had few learning.since they were better educated,many of whom got a job in an office after being set freely.In1994 ANC founding by Mandela came to power .It was reward for hie lasting and selfless struggle all through his life.