>>875 古いグラマーなのかな？
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Hoge
    {
        public string x;
    }

    class Sample
    {
        static void Main()
        {
            Hoge write1 = new Hoge();
            Hoge write2 = new Hoge();

            write1.x = Console.ReadLine();
            Console.WriteLine("write1.x:{0}", write1.x);

            write2.x = Console.ReadLine();

            Console.WriteLine("write1.x:{0}", write1.x);
            Console.WriteLine("write2.x:{0}", write2.x);

            Console.Read();
        }
    }
}