1. 根据句意及首字母或汉语提示完成单词。

1. （1） E me, are you Mr Brown?

3. （2） —Mary, this is your pen. Here you are.
   

   —T you.
   

5. （3） —Is this his clock?
   

   —N，it isn't.
   

7. （4） I look up（查找）the word in a d（字典）.

9. （5） —Is this her ruler?
   

   —Yes, it's (她的).