Ответ:

1) I believe this business exists primarily to serve customers.

2) In many English-speaking counrties, you don't have to ask for the bill directly.

3) You can use a credit card or pay your order on arrival.

4) It is a common practice to leave a tip of 10 per cent in Russia.

5) Guests wishing to dine in the hotel restaurant are advised to book a table in advance.

6) If you want a pizza, take the children's menu.

7) The waitress will show you to your table as soon as you confirm your reservation.