1. (2021·十堰) 听材料，回答问题。

1. （1） What's the man doing?

   A . Sending a bag. B . Buying a bag. C . Selling a bag.
3. （2） What's in the man's bag?

   A . Some clothes. B . Some books. C . Some food.
5. （3） What can we know from the conversation?

   A . The man's sister lives in Beijing. B . The man sends Christmas presents by Shunfeng. C . The man should pay ￥20.