1. (2020·新课标Ⅱ) 听材料，回答问题。

1. （1） Why does David want to speak to Mike?

   A . To invite him to a party. B . To discuss a schedule. C . To call off a meeting.
3. （2） What do we know about the speakers?

   A . They are colleagues. B . They are close friends. C . They've never met before.