题目内容
— I must apologize for ____ ahead of time.
— That’s all right.
A. letting you not know B. not letting you know
C. letting you know not D. letting not you know
B
练习册系列答案
相关题目
题目内容
— I must apologize for ____ ahead of time.
— That’s all right.
A. letting you not know B. not letting you know
C. letting you know not D. letting not you know
B