What is not the proper way to inquire customer about their stay?
举一反三
- What is the proper way to clarify a subject that your audiences know little about?
- What is the proper way of taking vitamin E?
- What are the proper topics for small talk when meeting your customer at the airport ?
- According to Edgar Jackson, the proper way to educate children about death is to __________.
- What is the proper way to resolve disputes？ （ ）。 A: War. B: Confrontation. C: Talk. D: Sanction.