高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
＿＿＿＿＿ in the Academy for so many years, he knew the people there very well.
A.To have worked
B.Worked
C.Working
D.Having worked
＿＿＿＿＿ in the Academy for so many years, he knew the people there very well.
A.To have worked
B.Worked
C.Working
D.Having worked
参考答案：
佳题速递：