a elder brother还是an elder brother?

a elder brother还是an elder brother? My elder brother is an engineer. she has an elder brother.变为疑问句 是old brother,older brother还是elder brother? Don't miss the elder brother,brother is a 英语翻译我写的是：I have an elder sister and an elder brother,they ar elder brother life only love Elder brother habitual miss you! what's your elder brother? she has an elder brother .变为否定句 old brother 与 elder brother 的区别 My brother is three years than I .A、elder,elder B、older,olde