How time flies!three years （） really a short time. 该填什么（is；are；was；were）为什么

how time flies How time flies How time flies!是什么意思? How time flies!,windous time flies how time fly How time flies Three years is neally a short time 这个怎么翻译啊? How time flies!Three years__really a short time.我觉得填was, How are you recently,long time no contact,time flies,have left you for three years. How time flies!怎样翻译 How time flies!,windous ByeBy How time flies!Three years (_)has passedhave passedis pastare past为什么 How time flies!Three years _________reallt a short time.A.is B.are C.was D.were how time flies.Three years __ indeed a short time.A.is B.are C.was D.were How time flies!three years （） really a short time. 该填什么（is；are；was；were）为什么 How time flies!Three years _____ really a short time.A.is B.are C.was D.were HOW TIME FLIES.THREE YEARS _____ INDEED A SHORT TIME A.IS B.WAS 为什么不选B? how quickly time flies!这里flies为什么不用原型呢? How time flies!We‘ll graduate.Three years（）really a short timeA was B are C is