tom is five years old 保持句子意思不变如何更改Tom is 五个空怎么填
问题描述：
tom is five years old 保持句子意思不变如何更改Tom is 五个空怎么填
答
Tom is at the age of five.
tom is five years old 保持句子意思不变如何更改Tom is 五个空怎么填
Tom is at the age of five.