______ over and over again, but he still couldn’t understand

几道英语选择题1.____ over and over again ,but he still couldn't und ____over and over again,but the old man still couldn`t under 1.___many times,but he still couldn't understand it. _____scores of times,but he still couldn't understand it. __many times,but he still couldn't understand ____ many times but he still couldn't understand it ________many times,but he still couldn't understand it. over and over again he had been told many times but he still couldn't understand Over And Over (And Over Again) 歌词 over and over again 歌词 关于over and over again