Translate the sentences into Russian. Underline a non-finite form of the verb. State the function of the underlined form:
1. To develop a tour package a tour operator deals with different suppliers.
2. To plan holidays in advance is the right thing.
3. The first thing to do is to book a room in advance either by letter, telephone or fax.
4. Choosing a meal can be a problem because many dishes may have unknown foreign names.
5. This hotel has the opportunity of discounting prices because they want to attract more guests during low season.
6. While traveling a tourist can not do without a place to stay.
7. Discounted meals are available for guests staying at the hotel.
8. Guests staying six nights are charged the price of five.
9. In other hotels one child receives a 50% discount when sharing a room with 2 adults paying the regular price.
10. According to the international standards passengers are to arrive at the airport two hours before departure time.