switch case问题

Question

switch (word) 
                    {case "特权": 
                        case "拍卖": 
                            Form2 f4 = new Form2(); f4.C4(); f4.Show(); break;}

Answer 1

switch (word) 
                    {case "特权": 
                     case "拍卖": 
                            Form2 f4 = new Form2(); f4.C4(); f4.Show(); continue;}

Answer 2

if(word=="特权"||word=="拍卖")
{
   Form2 f3 = new Form2(); f3.C4(); f3.Show(); 
}

Answer 3

case "特权": 
case "拍卖": 
Form2 f3 = new Form2(); f3.C4(); f3.Show(); 
Form2 f4 = new Form2(); f4.C4(); f4.Show(); break;}的2 个case进行合并该怎么写?