продолжить предложения с герундием 11. The floor is covered with dust; it needs …. 12. Mary was pleasantly surprised

11. The floor is covered with dust. It needs cleaning. 12. Mary was pleasantly surprised at receiving a letter from her old friend.13. We didn’t mind going to the cinema with your friends. I would be glad to meet them!14. She insisted on having a birthday party in Disneyland because it was her childhood dream.15. He left the room without saying goodbye.