Which service is not free of charge when you call?
举一反三
- Telephone service is round the clock and free of charge in the hotel.
- When providing wake-up call service, you justg need to ask for the room number.
- Which name is NOT acceptable to call service staff in restaurants and bars if you don’t know them?
- The water is given to you ______. A: with no money B: without charge C: free of charge
- （），how do you charge for an IDD call？