I regret to tell you that you didn't pass the exam because of(care)用carelessness还是careless

问题描述:

I regret to tell you that you didn't pass the exam because of(care)用carelessness还是careless

carelessness
because of + 名词
由于什么
我很遗憾的告诉你,你因为粗心没有通过考试