A i think,not sure,im new so sorry if its wrong lol
What letter are you referring to? attach the whole question.
Answer:
Have not
Explanation:
Have not combines to become haven't. For example, I have not ate food today you can also say I haven't ate food today.
Answer:
a. The reader wouldn't understand why Oona questions Negore.
or Negore wouldn't have a way to prove his bravery.