依次填入下列各句横线处的成语，最恰当的一项是（ ）①他喜欢把车开得飞快，而且对自己在过去三十年的驾车生涯中从未因违反驾驶条例而受罚这一事实颇为_________。②从全面深化改革小组的成立，到轰轰烈烈的打虎反腐，再到国企改革快速破冰，本届政府的改革决心已成为__________的事实。③放眼整个中国足坛，像李铁、郝伟这样能够追随高水平外籍教练组学习的青年教练寥寥无几。本土教练的生死存亡，中国足协__________。

he United States, bus traveldoesn’t cost much as train travel, 18

do you think of store shopping in the future－Personally, I think it will exist along with home shopping but ______.

―David has made great progress recently.―，and.

So you were in the supermarket__________ you heard a strange sound, right—That’s true. I ran out as quickly aspossible.