I regret not ______ earlier ,or I would have caught the train.

I regret not ______ earlier ,or I would have caught the train. I always regret not ______ harder when I was young.A.studyingB.having studiedC.to studyD.to have studied I do not regret my decision!Because I love you!. I regret Tonight if I die,I do not regret Tonight if I die,I do not regret it意思是什么? Falling in love with you,I do not regret it. This time,I will not regret it,please cherish me i regret saying that he is not brave enough 我想知道这句话是什么意思I choose not to regret it《I choose not to regret it》《Guardian》《Stem Switz》. 关于regret的词性和用法regret可以做动词和名词一般说regret to do/regret doing我想问的是 be regret for doing sth.例如：I'm not regret for having done it. not regret是什么意思 非常感谢Know you i'm not sorry,i regret that i have met you I I would not regret in falling love you since i have met you the first If you do not regret it,I will not give up!中文意思? I'm not regret this time ,you have to remember It's not my fault . i regret()your advice at that time为什么是 not accepting而不是 not to accept呢? If you have time,whether or not I would not regret翻译成中文 英语翻译I am not ______ _____ ______.