Fill in the blanks witch: Each other , one another13.Me friend

Fill in the blanks witch:
Each other , one another
13.Me friend and i know .... since children.
14.Members of our team help .... in their game.
One , ones
15.Do you know Mary Harley?The ....who lives in that cottage.
16.Have you seen the watch?Yes,I have.The .......are on the desk.
Put in his,her,mine,your's
17.Have you seen ....watch?He can't find it.
18.Whose coat in this?-It's.....