I don't have my own dictionary ,so I have to share one with my cousin.I have no dictionary_______ _______ _______,so I have to share one with my cousin.

I don't have my own dictionary ,so I have to share one with my cousin.I have no dictionary_______ _______ _______,so I have to share one with my cousin.
I don't have my own dictionary ,so I have to share one with my cousin.
I have no dictionary_______ _______ _______,so I have to share one with my cousin.

I don't have my own dictionary ,so I have to share one with my cousin.I have no dictionary_______ _______ _______,so I have to share one with my cousin.
of my own
of one's own 是指属于某人自己的东西