I live in a busy town, and there are many kinds of shops in the town. There are also three restaurants. They are Mr Li's, Mr Cool's and Mrs Zhao's. People have different views about the three restaurants. I think Mr Li's has the friendliest service and the seats there are the most comfortable. However, it has the worst noodles. The color of the wall in Mr Cool's is pink. And it has the cheapest hamburgers, but the service of it is the worst of the three. And it has the hardest  seats. Mrs Zhao's has the best food, and it is the most expensive. Though the seats are not very comfortable, it has the most _ . The writer thinks the hamburgers in Mr Cool's are  _  .
the worst the cheapest the best the most expensive