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