活到多少岁用英语怎么表达

　　Assuming he's still alive, how old would he be now?

　　假定他还活着，现在有多大年纪了？

　　How old is she ─ seventy odd?

　　她多大年纪？七十出头？

　　How old is your son now?

　　你儿子现在多大了？

　　How old are you?

　　您多大岁数了？

　　How old is she?

　　她多大年纪了？