✔ 最佳答案
(1)The Underground Railroad was neither underground nor a railroad. (4) Instead, it was a system for slaves in American to escape slavery.(2) These slaves were mostly Africans living in the southern states.(5) They were helped on their journey to freedom in Canada .(3) On their way there, the slaves were helped by people who used secret code showing the routes to take. 版主的答案正確: 1 先帶出”Undergroudn Railroad”一詞4 把真正的意思解釋清楚2 銜接第二句提到的”slaves”,說明slaves來自美國南部各州5 這些黑奴就往北邊的加國逃以追求自由3 途中受到人們用隱密的法子之幫助,也把第一句的”Underground Railroad”意思交待清楚了