These are words that I have not been able to find a conclusive answer to in Gramota.ru or Wiktionary.org
Hope you can help!
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Bудьте здоровы! (on "здоровы", where's the accent? I think the second O, but I don't want to take a chance and learn the wrong thing.)

В прошлом году (on "прошлом", where's the accent? Was I right about "году" - I checked gramota.ru but it listed two options.)

Двадцать дней без войны (Where is the accent on "войны" ? On "Ы" or?)

Он что-нибудь принесёт.
(Where is the accent on "принесёт" ?)

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