日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

145. The nation was reunited and the slaves were ______ when the North won the Civil War in American history.

145. The nation was reunited and the slaves were ______ when the North won the Civil War in American history.

A. escaped               B. set free                C. set freedom          D. set out

145. The nation was reunited and the slaves were ______ when the North won the Civil War in American history.