Answer: C) Each other.
Explanation for this question is being written.
Answer: A) The neighbors waved at each other as they left.
Answer: A) The friends helped one another with their projects.
Answer: B) Each other.
Answer: A) Each other.
Answer: C) One another.
Answer: A) True
Answer: A) Reciprocal
Answer: B) False
Answer: C) Reciprocal Pronoun.
Answer: D) Each other.
Answer: A) Each other's.
Answer: B) The birds were singing to each other.
Answer: C) Each other Edit.
Answer: B) One another.
Answer: D) Reciprocal
Answer: B) The three friends always support one another.
Answer: A) One another.
Answer: B) They care for each other deeply.