改错,下面句子如何改错?

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/29 12:51:37

改错,下面句子如何改错?
The boy is in his twenty.

The boy is twenty
　1表示“整岁”,直接用基数词或year,age,例如“他20岁”可表示为：
　　He is twenty.
　　He is twenty years old.
　　He is a twenty-year-old man.
　　He is aged twenty.
　　He is at age twenty.
　　He is at the age of twenty.
　　He is twenty years of age.
　　2表示“在某人几十多岁”,用“in ones ＋基数词复数形式”,例如：
　　他七十多岁.
　　He is in his seventies.（从70岁到79岁之间）
　　她五十多岁.She is in her fifties.（从50岁到59岁之间）
　　还可以借助early,middle,late来表达得更明确一些,例如：
　　那女孩今年二十二、三岁.The girl is in her early twenties.
　　他今年十四、五岁.He is in his middle teens.
　　她今年二十八、九岁.She is in her late twenties.
　　3表示“快满多少岁”用进行时或将来时,例如“他快满十八岁了”可说成：
　　He is getting on for eighteen.
　　He is going on eighteen years old.
　　He willbe eighteen years old.
　　It willbe his eighteenth birthday.
　　4表示“不满多少岁”,用副词barely,nearly,al-most,quite,yet,just等,例如“她不满十七岁”有以下几种说法：
　　She is barely ／nearly ／almost seventeen.
　　She is not quite ／yet seventeen.
　　She is just under seventeen.
　　5表示“差多久满多少岁”用介词off,例如：
　　他差5个月就满19岁了.He is five months off nineteen.
　　她再过3年就50岁了.She is three years off fifty.
　　6表示“超过多少岁”用介词past,例如：
　　他已年过50.He is past fifty.
　　他是一个过了中年的人.He is a man past middle age.
　　那孩子两岁零两个月.The baby is two months past two years old.

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