Answer: C) Don't need to.
Explanation for this question is being written.
Answer: B) Don't need.
Answer: C) Need to.
Answer: B) Needs
Answer: B) Don't have to.
Answer: B) DOESN'T HAVE TO.
Answer: A) Needn't
Answer: C) C didn't need to.
Answer: A) Don't have to.
Answer: B) False
Answer: C) Don't have to.
Answer: B) Don't need to.
Answer: A) You don't need to come unless you want to.
Answer: D) Needn't
Answer: C) Needn't
Answer: A) You needn't redecorate your room.
Answer: B) Needn't
Answer: C) Don't have.
Answer: D) Need to.
Answer: E) 2 and 3.
Answer: A) Don't need to, can.
Answer: A) Don't need.
Answer: A) You don't have to attend the meeting if you're busy.
Answer: B) Need to study.
Answer: B) Need to.
Answer: B) In most developed countries, people don't need to boil water before they drink it.
Answer: D) You don't need to wear special shoes or clothes.
Answer: D) Don't have to.
Answer: A) I needn't have walked the dog.
Answer: A) A
Answer: A) Need
Answer: B) Need not.
Answer: C) Need
Answer: D) Don't need to.