Snape!!

Aquire the invisibility cloak or broomstick?

broomstick ^^

be animagus or metamorphmagus?

Metamorphmagus - it sounds more useful

WYR be in Hufflepuff or Ravenclaw?

Ravenclaw

WYR hang out with the golden trio or Weasley twins?

golden trio
kill lupin or tonks

That one is evil! I'll go with Lupin, for the same reasons that Tonks'd be the one of the pair I'd save if I could.

WYR be a werewolf or half-giant?

Werewolf. I dunno why, but it seems cool, yet not cool at the same time lol.

WYR study potions, or defense against the dark arts?

DADA

WYR rather study Divination or Care Of Magical Creatures?

Care of Magical Creatures

WYR spend the whole day listening to Bellatrix laugh about killing Dobby and Sirius or spend the whole day listening to Umbridge talk about how horrible muggle-borns are and how she enjoys inflicting pain on those who are 'disloyal'

Bellatrix laugh WYR bring back Dumbledore or Snape?

Snape <3 Always

WYR watch all of the Twilight movies with a HP actor of your choice or watch all of the HP movies with a Twilight actor of your choice

watch all of the hp movies again with a twilight actor of my choice

wyr only have read the books or only see the movies

only read the books

WYR prevent Dobby's death or Sirius's