FORM/USE: 'MANY A' WITH SINGULAR NOUNS, FOR FOCUS

这条盘山公路我跑过不知多少回了，每个弯道都烂熟于心。

I've driven this winding mountain road ___many ___a ___time, I know every bend by heart.

不止一个学生在截止日前的最后一晚才开始熬夜赶论文。

___Many ___a ___student has pulled an all-nighter the evening before the deadline.

从那以后他一直后悔，曾经当面错过不止一次赴海外就任的机会。

He has since regretted passing up ___many ___an ___opportunity to take up a post abroad.

初创企业在起步阶段犯过不少错，但一路向前才是关键。

___Many ___a ___mistake has been made by startups in their early days, but what matters is moving forward.

她花费了不知多少个小时打磨这篇演讲稿，逐字逐句反复推敲。

She spent ___many ___an ___hour polishing this speech, going over every word in her head.