你爸爸几岁了？他45岁了。用英语怎么说

你分类错了吧... - -

How old is your father?你爸爸几岁了. 这里我想说下 be动词不是are,主语是father,是第三人称单数,不可以用are.

He is forty-five years old. 他45岁.

你爸爸几岁了？他45岁了。
英语是：How old is your father? He is 45 years old.

句子解释：
how old 英[hau əuld] 美[haʊ old]
[词典] 几岁;
[例句]How old are you?
您多大岁数了？

father 英[ˈfɑ:ðə(r)] 美[ˈfɑðɚ]
n. 父亲; 天父; 祖先; （尤指天主教和东正教的） 神父;
vt. 成为父亲; 创立（新思想）; 创造; 发明（新方法）;
[例句]His father was a painter
他父亲是个画家。

year 英[jɪə(r)] 美[jɪr]
n. 年; 年纪; 一年的期间; 某年级的学生;
[例句]The year was 1840
那是1840年。

HOW old is your father?He is forty-five-years-old

Hao old is your father ?
你爸爸几岁了？
He is forty-five-years-old
他45岁了

How old are your father?
He is 45 years old.