1. (2023·越城模拟) 听下面一段对话，回答问题。

1. （1） What is the boy worried about?

   A . The math exam. B . His mother's trip. C . His own clothes.
3. （2） Which place is the boy's mother going to?

   A . To another country. B . To a city nearby. C . To a bookstore.
5. （3） Who will the boy's mother go with?

   A . Nobody else. B . Her son C . Her friends