答案:D。regret having done sth. 对已发生的事感到遗憾。regret to do sth. 对将要做的事感到遗憾。本题为对已说的话感到后悔,因此选D。
You must try to be more careful.
I tried gardening but didn't succeed.
go on to do做了一件事后,接着做另一件事。
After he had finished his maths,he went on to do his physics.
Go on doing the other exercise after you have finished this one.
cease to do 长时间,甚至永远停做某事。
cease doing 短时停止做某事,以后还会接着做。
That department has ceased to exist forever.
The girls ceased chatting for a moment when their teacher passed by.
I mean to go, but my father would not allow me to.
To raise wage means increasing purchasing power.