Answer:
They are necessary just to make readers understand the story.
To push Doodle Pass his abilities. To show him you're not suppose to be here, but since you are, do everything you can.
Answer:Polly unties Amari, and they tie Clay up. They know he'll probably get loose, so they have to leave before he kills them.
Answer:
no
Explanation:
because she when used past tense verb must be in verb3