when he was retired and went back home in___ he was already in_____.

问题描述:

when he was retired and went back home in___ he was already in_____.
A the fifties his sixty
B fifties his sixties
C the fifties his sixties
D fifty sixty

his sixties
人称后面接复数表示他在多少年龄段~固定搭配
the fifties应该是50年代的意思