12. It's easy to make an omelette. Let me tell you how to make it. First, put some oil into a frying pan and heat it. Second, mix two eggs in a bowl Then add some salt. After that, add some cheese and milk. Finally, pour the mixture into the hot pan. Cook your omelette for 2 minutes and turn the other side. Now it is ready. Bon appetit! According to the recipe, which of the following is necessary to prepare this meal? A) B) um C) D)​