The sentence that contains the appositive phrase that is not correctly punctuated is "One hero in the animation field is Mel Blanc the voice behind many cartoon characters." when the sentence should be written " One hero in the animation field is Mel Blanc- the voice behind many cartoon characters" hope this helps :)
She was wondering whether they've (A) completed their lifeguard training.
He is beginning to realize that he is afraid to die.
Answer: The last one
Explanation:
It is the one that says
Nadege slowly shuffled up to the front of the classroom. Hiding her eyes, she presented her research paper on her mother’s homeland. She showed her class blurry images of her grandmother’s neighborhood and dull pictures of her favorite foods.
I believe that the closest synonym for the word overwhelmed is awestruck. It isn't jubilant, because that means happy. And overwhelmed isn't necessarily happy, it is just a strong emotion. Flattered and gracious just don't fit here.