A envious character will get even
The adverb that modified the verb (finished) is quickly.
Adverbs answer the question: HOW IS THE ACTION DONE?
So,
How did John finish his work?
He finished it quickly.
<em>Stuart Little (the family adopts Stuart and after him being lost, he comes home to his new family)</em>
<em>*Not sure what this question meant though </em>
I'm pretty sure the first sentence? Everything else sounds a tad opinionated.
The 50 year old guy, he started the conflicy