高等继续教育 / 高级英语I
正确率：100%
题型描述: 单选题
＿＿＿＿＿ that time, the reform had begun to take effect.
A.During
B.By
C.To
D.At
＿＿＿＿＿ that time, the reform had begun to take effect.
A.During
B.By
C.To
D.At
参考答案：
佳题速递：