help me Can we say he is at the age of ten months这种用法正不正确?

问题描述:

help me Can we say he is at the age of ten months
这种用法正不正确?

或许
应该
没错

没错

He is ten-month-old.

at the age of...在..几岁时。时态要用过去时。
he was at the age of ten months

at the age of 在...岁
他十个月大了.
You are right!