which (of three or more)
well; now; c'mon
hey; oi; come on; look; listen
huh?; eh?; what?; oh; hey!; look!; listen!
there!; look!
which; where; who
which way; which direction; where
どれが一番好きですか。
Which one do you like best?
どれにしようか迷っている。
I can't decide which one to pick.
どれも美味しそうで一つだけ選ぶのが難しい。
They all look delicious, so it's hard to pick just one.