【急】a day和every day的区别.有知道的回答一下,好么?急吖~!~

【急】a day和every day的区别.有知道的回答一下,好么?急吖~!~ a day和every day的区别具体的 every day和each day的区别 a day和every day有什么区别 a day和every day有什么不同 once a day.和once a day.every day.哪句话对once a day.和once a day.every day.哪句话对?为什么? everyday,every day,every-day的用法 everyday和every day的用法区别 everyday和every day的区别 everyday和every day的区别是什么? every day和everyday的区别 everyday和every day的区别? everyday和every day 的区别是什么? every day和everyday的区别 everyday和every day 的区别是什么 every-day的词性和意思是? she practices ( ) english ( ),A.everyday ,every day B.every day ,everyday C.everyday ,every day D.every day ,every day We have math every day 对划线部分提问 划线的是every day急