1. (2021七上·萧山月考) 听下面一段对话,回答问题。

1. （1） What color is Alan's pen?

   A . Red. B . Black. C . Yellow.
3. （2） Whose(谁的) is the yellow ruler?

   A . Alice's. B . Mary's. C . Alan's.
5. （3） Is the cup Mary's?

   A . Yes, it is. B . No, it isn't. C . Not mentioned（提及）.