A． Although     B． give their seats     C． Since     D． were not allowed     E． make life better   F．sold

Martin Luther King， Jr．was born in Georgia in the south of the USA in 1929． In 1954 he began to work in a church （教堂）．

    All through his life he tried to（1）　　for African﹣Americans，whose ancestors came to America from Africa between 1640 and 1798．White people brought them to America in ships，（2）　　them as slaves （奴隶） and forced them to work． （3）　　they were set free （自由的） after the American Civil War， their lives didn't change much for a long time． Some people still didn't like them．In the 1950's，African﹣Americans（4）　　to do lots of things in the south of America．They could not walk on the footpath when a white person was on it．They could not eat in restaurants where white people ate．They could not go to the shops that were owned by white people．When they were on a bus， they had to（5）　　to white people．