Listen to a telephone dialogue and answer the following questions.

  1. Where is Simon Weller calling from?
    Simon Weller is calling from Singapore.
  2. Where is Mr. Osman?
    He has just left for a workshop.
  3. What time will Mr. Osman come back?
    In half an hour.
  4. What is Mr. Osman's cellphone number?
    134-6638-6913