1. (2019七上·双阳期中) 听下面一段对话，回答问题。

Is this girl your sister?<br />Yes, she is.<br />Her name is Mary.<br />Is your sister in Beijing now?<br />Oh no, my sister is in Chengdu.<br />Is this girl your sister?<br />Yes, she is.<br />Her name is Mary.<br />Is your sister in Beijing now?<br />Oh no, my sister is in Chengdu.

1. （1） Who is Mary?

   A . Sally's sister. B . Sally's friend. C . Sally's cousin.
3. （2） Where is Sally's sister?

   A . In Wuhan. B . In Chengdu C . In Beijing