Question

- Peter, I regret____ you that you didn't pass the exam.

- Peter, I regret____ you that you didn't pass the exam.
--- Oh, I regret____ harder.
A. telling; not having worked B. to tell; not to work
C. telling; not to work D. to tell; not having worked
要详细，谢谢

Answer 1

regret to do 对要做的事遗憾。 (未做)
regret doing 对做过的事遗憾、后悔。 (已做)

所以选择D
翻译：彼得，我很遗憾的告诉你你没有通过考试
哦，我后悔没有用功学习

Answer 2

D。
regret to do 遗憾地做
regret doing 后悔做了

很遗憾地告诉你你考试没通过。
我后悔没有努力学习。