Вставить необходимые артикли (a, the) вВставить необходимые артикли (a, the) в место пропусков. 1) Svyatoslav Fedorov

1) Svyatoslav Fedorov was a wonderful eye doctor, he treated serious eye diseases. 2) Yuri Bashmet is a famous musician. His concerts take place in the best concert halls. 3) Sergei Korolev was a great engineer and scientist. His ideas are still very important for space engineers. 4) Ilia Repin was a great Russian painter. You can see his best works at the Tretyakov Gallery. 5) Georgy Grechko is a cosmonaut; he has flown to space three times. 6) Ulyana Lopatkina is a famous ballet dancer; she dances at the Mariinsky Theatre in St. Petersburg. 7) Peter the Great became Tsar when he was a young boy. 10) Fade Bellingshausen and Mikhail Lazarev were explorers; they discovered Antarctica in 1820.