1. (2018高三上·覃塘月考) 听对话，回答问题。

1. （1） What is the probable relationship between the speakers?

   A . Colleagues. B . Relatives. C . Classmates.
3. （2） What is Sabrina's sister doing?

   A . Touring in Africa. B . Teaching in a village. C . Working in a company.
5. （3） How can Sabrina reach her sister now?

   A . By phone. B . By email. C . By letter.