— Robert is indeed a wise man.
— Oh, yes. How often I have regretted _____ his advice! [ ]
A. to take
B. taking
C. not to take
D. not taking
答案:D
— Robert is indeed a wise man.
— Oh, yes. How often I have regretted _____ his advice! [ ]
A. to take
B. taking
C. not to take
D. not taking
答案:D