The description stucture of "Gumption" allow the author to develop carachters vocies that are realistic, Given the story setting; the sequential sturcture of "To Build a Fire" allows the author to develop the reader's suspene about what wiil come next.
ik im late but for the next person that comes by this is the correct answer
It causes a little confusion to have that "Blank Space" right after the the main verb "expect" because we cannot be sure that it represents that a blank or a space is that follows, or that Blank Space is used as a noun.
To answer this question I will assume that blank space represents that a line goes there to be filled.
By doing so, the correct sentence would be:
Joel and Lucy expect _their_ Halloween party to be really scary!
So the final answer is:
Their
The possessive third person plural pronoun is the best option.
