Answer: B) Needn't/don't have to.
Explanation for this question is being written.
Answer: A) Don't have to.
Answer: A) Need not.
Answer: C) Needn't
Answer: B) I don't need a passport.
Answer: B) Needn't
Answer: B) Needn't introduce.
Answer: C) Don't have to.
Answer: A) A
Answer: C) Need not.
Answer: A) Don't need to.
Answer: A) Needn't
Answer: A) Didn't have to.
Answer: D) Lack of Obligation.
Answer: B) Aria needn't go to the doctor.
Answer: A) Need to bring.
Answer: D) Needn't
Answer: D) You don't have to wait.
Answer: A) Didn't need to go.
Answer: D) Don't have to.
Answer: D) Obligation
Answer: A) Don't need.
Answer: B) Don't have to/needn't.
Answer: D) You need to study hard.
Answer: B) It only needs some water.
Answer: C) Don't have to / would.
Answer: B) You do not have to bring your book tomorrow.
Answer: B) Absence of obligation.
Answer: B) Don't have to.
Answer: B) Doesn't have to.
Answer: A) Do not have to.
Answer: B) Need
Answer: A) Wasn't able to.
Answer: D) She needs to start saving money.
Answer: D) Need to.
Answer: C) Need to.
Answer: C) You are not required to bring your books to the training center.
Answer: E) Don't need to.
Answer: A) Needs to.
Answer: D) Needs to.
Answer: B) Didn't have to take/ didn't need to take.
Answer: C) You don't have to come.