Choose the correct article: "the," "a/an," or Ø (no article). Justify your choice. 1. Belarusian government has preserved Belovezhskaya Pushcha, biosphere reserve on border with Poland.

Belarusian government is a specific entity, so no article is needed. Belovezhskaya Pushcha is a specific place, so the article 'the' is used. 'Unique' starts with a consonant sound, so 'a' is used.
Answer: Ø, the, a