高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
The Negro slaves ＿＿＿＿＿ long hours in the cotton fields by the slave owners.
A.were made to work
B.were made in work
C.were made work
D.made to work
The Negro slaves ＿＿＿＿＿ long hours in the cotton fields by the slave owners.
A.were made to work
B.were made in work
C.were made work
D.made to work
参考答案：
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