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

发布时间：2020-08-16 06:59:39


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

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A. escaped
(答案→)B. set free
C. set freedom
D. set out
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