高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
For the old customers who have not connected you for a long time, you should write a _ _ _ _ _ to them.
A.last letter
B.first letter
C.follower-up letter
D.reviver
For the old customers who have not connected you for a long time, you should write a _ _ _ _ _ to them.
A.last letter
B.first letter
C.follower-up letter
D.reviver
参考答案：