根据句意，写出括号内所给单词的适当形式。I live in the ________________ (south) part of the town with my parents.
Nothing is ________________(possible) if you try your best.
–It’s been a wonderful evening. Thank you very much.
--My _______________(please)Broadway has been famous for its theatres since the early ______________(twenty) century.
Mr. Smith went to the USA on _______________ (busy) the day before yesterday.