Three years is(are) really a short time.

Three years is(are) really a short time. How time flies!three years （） really a short time. 该填什么（is；a How time flies!Three years _____ really a short time.A.is B. How time flies!Three years ( )really a short time 是was还是is 三 三题初中英语1.How time flies!three years ( be )really a short time How time flies!We‘ll graduate.Three years（）really a short ti HOW TIME FLIES.THREE YEARS _____ INDEED A SHORT TIME A.IS B. our teachers said three years ____ really short .A is B was How time flies Three years is neally a short time 这个怎么翻译啊? How time flies!Three years _________reallt a short time. how time flies.Three years __ indeed a short time. Three hundred years ___(be)a short time in sory.