Unless the rain stops, we must stay inside all afternoon.
They expected Polyphemus, the cyclops, to be welcoming since they are guests. In greek culture, guests are to be treated with food and such, but Polyphemus pays no mind to this and instead eats some of Odysseus's companions.
Managing your money (spending,saving and investing)
The correct answer is "me".
A line of reasoning that presents the opposite side of the author's argument is called (I believe) a counterargument. It states exactly the different thing from what you have first stated.
