Помогите раставить артикли по английскому

Помогите раставить артикли a,an, the где это нужно
1. Yesterday I saw... new film, but.,, film wasn't very interesting. 2. Moscow is sitiated on ...Moskva river and London is situated on... Thames. 3. Yuri Gagarin was... first man to fly over... Earth in spaceship. 4. My sister will go to school... next year. 6. In... summer we went to ...Black Sea. 6. ..New York is one of the biggest business centers in the world. 7. ..Lomonosov was... great "Russian scientist. He was born in... small village on ...shore of... White Sea. 8. ..Peter's brother is... worker and we are... students. 9. What... 9trange man he isl 10. In... summer we live in... country. 11....Russia is one of... largest countries of the world. 12. Is your •dress made of... wool or... cotton? — It's made of silk.