She is ( ),but she looks young.A.in her fiShe is ( ),but she looks young.A.in her fifties B.at her fifty C.in her fifty.答案并说明理由!
问题描述:
She is ( ),but she looks young.A.in her fi
She is ( ),but she looks young.A.in her fifties B.at her fifty C.in her fifty.答案并说明理由!
答
A
at the age of fifty是指具体的50岁 in one's fifties是指五十多岁,所以是复数
答
b c 单数形式 a是复数
答
A in one's +数字,固定搭配,在某人多大年龄的时候,50多岁,用复数