What’s Tania’s phone number……

单项选择题A．Changing a flight reservation. B．Canceling a hotel reservation.C． Reserving an extra hotel room.

单项选择题A． To go to the market. B．To have coffee. C． To have a discussion.

单项选择题A．She’s been on vacation. B． She’s been at the grocery store.C．She’s been on a business trip.

单项选择题A．Their billing system has been efficient. B．Their old billing system is outdated.C．He’s unimpressed with the new billing system.

单项选择题A．To buy a newspaper. B．To find a chemist. C．To post a letter.