Вставьте артикль (а/аn/the) там где он нужен 1 sir w churchill was famous politician . 2 ivanovs are our friends . 3 my brother is lawyer 4 masha lives in sovetskay street in an saratov 5 volga is the longest river in the russian federation

1. Sir W Churchill was a famous politician.
2. Ivanovs are our friends.
3. My brother is a lawyer.
4. Masha lives in the Sovetskaya Street in Saratov.
5. Volga is the longest river in the Russian Federation.