Answer:
3 - thrown carefully or just thrown ( don't know if it is one word or two )
5 - is sneaky or sneakily
very sorry if the answer is wrong!
I think in this case the prepositional phrase would be early.
The denouement in the plot of a fictional work is the final resolution of all problems that occur within a novel or a play. It is the end result, something that happens when all conflicts are resolved.