Чи правильні дані речення?

1. The first McDonald’s restaurant opened in New York.
2. The restaurants are cheaper and faster because they are self-service.
3. The first McDonald’s restaurants in Australia opened in the 1960s.
4. You can ask the waiter to help you.
5. Some McDonald’s restaurant serve only fish dishes.
6. We have no McDonald’s restaurants in our country.
7. You can drink alcohol in McDonald’s in Italy.