Question

【题目】I regret ________ up to watch the football game last night.I am very tired and sleepy now.

A. stay B. to stay C. staying D. stayed

Answer 1

【答案】C

【解析】句意：我后悔昨晚熬夜看足球赛了。我现在又累又困。regret to do sth.很遗憾地／抱歉地做...（事情还没有做）；regret doing sth.很遗憾/后悔做了...（为已经做过的事而感到...）。根据I am very tired and sleepy now.判断，事情已做，故答案为C。