Объяснение:
7)Mark is Chric's friend.
8)Stella is Bob's sister.
9)Anna is Bob's mother.
10)Laura is Stella's cousin.
11)Mark is Bob's best friend.
12)Stella is Sue's sister.
(если надо придумать, то вот)
7)uncle
8)niece
9)grandmother
10)aunt
11)uncle
12)daughter
