old

他经常和他的老同学一起打篮球。

He often plays basketball with his ___old classmates.

我上周遇到了一个大学时的老朋友。

I met an ___old friend from university last week.

罗西现在六岁了。

Rosie's six years ___old now.

那栋房子很旧。

That house is ___old.