Answer: B) Pablo's pencil case.
Explanation for this question is being written.
Answer: E) Theirs
Answer: A) His or her.
Answer: B) Ours
Answer: B) Its
Answer: B) Their
Answer: D) His
Answer: A) Its
Answer: B) Your
Answer: B) One another's.
Answer: A) Their
Answer: B) His
Answer: C) Its
Answer: D) Her name is.
Answer: B) Yours
Answer: A) My
Answer: B) Her
Answer: A) His
Answer: A) Possessive adjective.
Answer: D) B: Yes, they're ours.
Answer: B) Whose
Answer: C) Their
Answer: A) Mine
Answer: B) Hers
Answer: D) Hers
Answer: B) Her name is Ana.
Answer: C) Hers
Answer: B) Our
Answer: A) Theirs
Answer: B) Your supervisor.
Answer: C) His
Answer: C) Ours
Answer: C) Yours
Answer: D) Theirs
Answer: A) Son livre.
Answer: C) Her
Answer: C) They're Henry's.
Answer: A) My/his
Answer: C) They
Answer: A) Cousin
Answer: A) Her
Answer: B) Everyone's