Заполните пропуски предлогами 1. Youssef39;s party is _ 4 o39;clock _

Заполните пропуски предлогами 1. Youssef39;s party is _ 4 o39;clock _ Friday 2. The Russian Federation is the largest country _ the world 3. Ann is the shortest _ Mary39;s friends 4. She is keen _ history 5. My aunt says she likes living _ the countryside 6. It was very kind _ him to help us 7. I haven39;t had any contacts _ her since we left University 8. It was very far. We went there _ foot 9. I usually go to work _ underground 10. My husband works for an international company. He often goes _ business to different countries