单项选择题
Conversation 1
A．Install more machines. B．Test the machines. C．Buy more machines. D．Sell the machines.
A．Sightseeing around the city. B．Attending a meeting. C．Shopping in the city. D．Giving a party.
A．Write a letter for the woman. B．Take the woman to the office. C．Drive the woman home. D．Finish the report for the woman.