The little boy has a badroom （ ）.A.on
问题描述：
The little boy has a badroom （ ）.A.on
The little boy has a badroom （ ）.A.on his own B.of his own C.for his own D.in his own 选哪个
答
B
of one's own
属于自己的
at last I've got a place of my own.
我终于有了自己的住所了.
on one's own
独自地；独立地；不依靠别人帮助地