stay++up++为什么stay加ing

stay++up++为什么stay加ing stay up stay up stay up stay up so he must stay in bed for a week.句中stay为什么不加s stay up,look up , stay in stay up,stay out,stay away ,stay behind各是什么意思? Which hotel did you stay in?Where did you stay?为什么第二句不用加in啊 stay in ,stay at区别 stay up 造句 stay up意思 stay up什么意思? stay up中文意思 “stay up very stay up中文 stay up late =