a short time ___(after,before,later,as sooon as)

Three hundred years ___(be)a short time in sory. a short time ___(after,before,later,as sooon as) stay there for a short time=go there__ ___ ___ ___ a short time =( ) a short time ago中文 翻译：a short time ago in a short time为什么time可数 They found ___ thing are famous for only a short time A it B that 对的话为什么选A So short a time为什么用a Is ___ possible ___ us to work out all the questions in such a short time?A. it, for B. that, of C. it, of D. that, for wait for a short time的意思 英语翻译翻译：a short time ago for a short time翻译,什么时态 The students shouldn't discuss the problem now（保持原句意思）The students ___ ___ discuss the problem nowThe woman can do a calculation in a short time（同上）the woman ___ ___ ___ do a calculation in a short time Tom found it hard for him to finish the work in such a short time.（同义句转换）Tom found ___ ____ hard for him to finish the work in such a short time some time later和a short time的区别 in a short time中time讲可数吗? so short a time和such a short time可通用吗?应该怎么用