Trip is the noun. Trip is a noun. By definition it is a noun.
Answer:
She needed an hour to finish just the beginning of a very large school project.
Explanation:
Susan B. Anthony is associated with suffrage.
We can't see underlining here, but here, I think this will be helpful:
"I read a novel" would be the intependent clause: it does not need the other one to be complete.
"until the guests arrived" is the subordinate clause: it needs the independent, main clause to be complete.