Answer: A) Who
Explanation for this question is being written.
Answer: A) When it has a personal antecedent.
Answer: A) Change whose to who's.
Answer: C) Whom
Answer: B) Whom
Answer: B) Whose
Answer: B) Who
Answer: A) Whoever
Answer: B) Which
Answer: B) Where
Answer: A) That
Answer: D) Which
Answer: B) The pronoun can be left out.
Answer: C) Whose
Answer: C) That
Answer: A) Whose
Answer: A) Who's
Answer: B) WHO
Answer: D) D
Answer: B) The relative pronoun is not necessary.
Answer: D) Whose
Answer: A) The man whose car was stolen is my neighbor.
Answer: C) Who
Answer: B) Yes
Answer: B) THAT
Answer: D) Who
Answer: A) Whom
Answer: B) There is a scientist who has found a solution.
Answer: A) Relative pronoun.
Answer: B) Who/who
Answer: A) That, which.