1) I’m sure her/hers brother is at home.
2) This disc is my/mine. It isn’t your/yours.
3) She put her/hers report on the table and started to read my/mine.
4) Let’s leave my/mine car at the carpark and take your/yours.
5) This is her/hers house and their/theirs is near the river.
6) Mary gave Peter her/hers address and wrote down him/his.
7) Grilled chicken is their/theirs favourite dish.
8) This phone number is our/ours.