пожалуйста не могу сделать...буду благодарен.((((((((((((используйте 's or s' где возможно. The birthday of her son,theatres of Moscow,the decision of the government,the crew of the ship,the best museums of our city,the days of the week,work of three years,the exercise-books of the pupils,a voyage of a month,the clothes of the girls,the windows of the room,the success of the company