Answer: D) Doesn't have to.
Explanation for this question is being written.
Answer: A) Doesn't have to.
Answer: C) Has to / have to.
Answer: D) Have to.
Answer: C) Have to.
Answer: A) Has to, has to, has to.
Answer: A) Have to.
Answer: B) Doesn't have to.
Answer: C) Don't have to.
Answer: B) Do / have to.
Answer: B) Don't have to.
Answer: E) Had to.
Answer: A) General obligation.
Answer: A) Don't have to.
Answer: B) Have to.
Answer: C) Doesn't have to.
Answer: B) OBLIGATION
Answer: A) Did not have to.
Answer: B) Has to, can't.
Answer: D) Didn't have to.
Answer: A) Didn't have to.
Answer: D) Don't have to.
Answer: A) Don't
Answer: B) Has to.
Answer: A) Has to.
Answer: B) I have to study because I just received a bad grade.
Answer: A) I don't have to go to the meeting if I don't want to.
Answer: A) Had to.
Answer: B) Didn't have to.
Answer: B) Lack of obligation.
Answer: A) Do you have to wear.
Answer: A) Have (got) to.