(请教)We always keep _____ spare paper,in case we run out.

(请教)We always keep _____ spare paper,in case we run out. we always keep ( ) spare paper,in case we run out 15.We always keep ________ spare paper,in case we ran out. 英语翻译we frequently run out of stationery in out office. in case we ran case in tine we Can you spare me some paper?(mine has run out)请问括号里填has used but in your case we put cn just out out something什么意思 we've run out of petrol or gas,we'll never be in time for th _____ is often the case,we have worked out the production pl We need _____(exercise)to keep in healthy every day. we shouldn't keep out noses always to the grindstone.求翻译