Answer: A) It
Explanation for this question is being written.
Answer: B) Everyone
Answer: C) The students.
Answer: D) Them
Answer: C) Pronoun
Answer: B) His or her.
Answer: C) Holiday in Bali.
Answer: A) Jessica
Answer: A) Change 'their' to 'his' because 'Each' is a singular antecedent.
Answer: C) Book
Answer: D) Pronoun
Answer: B) Their
Answer: D) Their
Answer: B) It
Answer: C) Them
Answer: D) No, they aren't.
Answer: A) Its $\rightarrow$ their.
Answer: C) Protein
Answer: D) Grandma-She
Answer: D) That
Answer: B) I have multiple friends.
Answer: B) The noun it refers to.
Answer: A) Students
Answer: D) Andrew and David.
Answer: A) Their
Answer: B) Music
Answer: C) Your
Answer: B) Her
Answer: B) Sarah
Answer: B) Plural
Answer: A) Objects
Answer: B) They
Answer: A) Radiation
Answer: B) Sailors
Answer: C) Jim
Answer: B) Change we to they.
Answer: A) The situation.
Answer: A) Teacher
Answer: C) It
Answer: C) He or she.
Answer: D) A nice waiter.
Answer: A) Yes
Answer: C) Business
Answer: D) The group.
Answer: B) Antecedent
Answer: C) Change "their" to "its".
Answer: A) Dogs
Answer: A) The noun that the pronoun replaces.
Answer: B) Sara
Answer: A) NO CHANGE.
Answer: C) The machine.