They were of an age.这里为什么用of什么用

They were the same age.和They were of an age.哪对? They were of an age.动词为什么用过去时? They were of an age.动词为什么用过去时? They were of an age.这里为什么用of什么用 they are nearly of an age these doors are of a size 为什么要用一个of? 高中英语冠词1They are twins,so they are of ______ age.填入冠词 为什么选an,而不用the of age,of the age,of an age 用法是什么网上搜过了都没有 we happen to be of the same age.we happen to be of an age.第二句话为什么错?不是of a/an 表示同一的,相同的吗?比如说they are of a kind.他们是同一类人. they are of an age.为何可以用an?age不是不可数名词吗,那么应该在the和零冠词选择,怎么能用an呢?难道是固定用法吗 They were ( ))反对 the plan of turning the farmland into an airport they are of the same age 和 they are the same age有何区别 at one's age =at the age of= when sb.was/were 一道高考英语单选题 英语Tom,Jack,and Rose were named as assistant professors.Believe it or not,___three of them were of an age.横线上,A.the B.不填 请教一道英文阅读理解题,Q.Why were Stone Age razors equally as disposable as modern ones?A.They were also thin slivers of metalB.They were fragileC.There was no lack of themD.They didn't shave well请问哪个才是正确答案,如何 age is an issue of mind over matter. An age of persistent, universal warfare. 帮助翻译一下.谢谢. age of Many students were under an umbrella,but none of them got wet.How could they do it?