a day 和one day哪个正确一天

a day 和one day哪个正确一天 one a day一天吃几粒 one day和a day什么区别 一天 ONE DAY怎么样 some day,a day和one day的区别 I __ I could fly to the moon one day.wish 和hope哪个正确?为什么? one day,some day,other day,a day,的区别 one a day some days , one day ,some day ,a day ,day by day , 的意思和用法we have lost so many times, but _____we shall win!是选哪个用 A white day,a black dayA red day,a green day到底哪个是倒霉的一天 a day与one day 区别 one day a day 区别 谢谢 some day和one day的区别 第一天的英文是one day 还是first day day 介词 搭配请问和day搭配的介词都是什么?on the day/in the day/on a day/in a day这些搭配正确吗?谢谢! 第一天 能说one day吗 One day是一天的意思吗 阳光的一天 ONE SHINING DAY怎么样