问题补充:
—Have you found a new job, Jim?
— Not yet. I really regret the IBMs offer.
A. to turn down
B. turning down
C. turned down
D. turn down
答案:
A. to turn down
(答案→)B. turning down
C. turned down
D. turn down
解析: 句意:--吉姆,你找到新工作了吗?--还没有,我真的后悔拒绝了IBM的工作机会。Regret表示“后悔”的时候,后面接动名词做宾语,所以选B。