using System; class MainClass { public static void Main() { string[] myStrings = {"To", "be", "or", "not","to", "be"}; string myString = String.Join(".", myStrings); string myString10 = myString.Insert(6, "friends, "); Console.WriteLine("myString.Insert(6,"friends, ") = " + myString10); string myString11 = myString10.Remove(14, 7); Console.WriteLine("myString10.Remove(14, 7) = " + myString11); string myString12 = myString11.Replace(',', '?'); Console.WriteLine("myString11.Replace(',', '?') = " + myString12); string myString13 =myString12.Replace("to be", "Or not to be friends"); Console.WriteLine("myString12.Replace("to be","Or not to be friends") = " + myString13); } }