1. (2020八下·贵港期末) 听对话，回答问题。

1. （1） How long has Jeff been in America?

   A . For half a year. B . For a year. C . For two years.
3. （2） What do we know about Jeff?

   A . He visited a friend in America. B . He helped people in America. C . He studied medicine in America.