1. (2018高三上·覃塘月考) 听对话，回答问题。

Anna just emailed to say that the manager's meeting is put off till next Monday.<br />Will you have everything ready by then, Sabrina?<br />Hey, Sabrina, what's wrong?<br />I'm so worried. I haven't heard from my sister for two weeks.<br />How often do you call each other?<br />Normally at least once a week, but she's now a volunteer teacher in a mountain village in Africa.<br />I can only write her.<br />The mail can be really slow sometimes. I'm sure you'll hear from her soon.<br />I hope so.<br />You know the saying, no news is good news.<br />If something were wrong, someone would have called you.<br />Maybe you're right. Thanks, Jason.<br />Anna just emailed to say that the manager's meeting is put off till next Monday.<br />Will you have everything ready by then, Sabrina?<br />Hey, Sabrina, what's wrong?<br />I'm so worried. I haven't heard from my sister for two weeks.<br />How often do you call each other?<br />Normally at least once a week, but she's now a volunteer teacher in a mountain village in Africa.<br />I can only write her.<br />The mail can be really slow sometimes. I'm sure you'll hear from her soon.<br />I hope so.<br />You know the saying, no news is good news.<br />If something were wrong, someone would have called you.<br />Maybe you're right. Thanks, Jason.

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.