Answer: A) To have to .
Explanation for this question is being written.
Answer: A) Don't have to.
Answer: B) I had to finish my homework yesterday.
Answer: A) Necessity
Answer: A) Don't have to go.
Answer: A) Have to.
Answer: C) Have
Answer: B) Doesn't have to.
Answer: B) Didn't have to.
Answer: D) Don't have to.
Answer: A) Had to.
Answer: D) Had to.
Answer: A) They had to make him rich.
Answer: A) Had to lose.
Answer: C) Don't have to.
Answer: A) We had to stay for dinner.
Answer: A) Have to = obligation.
Answer: B) Has to.
Answer: D) Doesn't have to.
Answer: B) Has to be.
Answer: D) Didn't have to cook.
Answer: A) Doesn't have to.
Answer: C) Have to.
Answer: B) Don't have to.
Answer: B) Did they have to.
Answer: C) Hadn't had to.
Answer: C) I need to do the work.
Answer: C) Had to ask.
Answer: B) To say that it's necessary to do something.
Answer: C) Has
Answer: C) Didn't have to.
Answer: A) Don't have to pay.
Answer: B) Didn't have to take.
Answer: C) Had to stop.
Answer: B) Have to.
Answer: C) Do-have to.
Answer: A) Lack of obligation.