1. (2015七上·上城期中) 听下面一段对话，回答三个小题。

Excuse me Grace, I lost my eraser this morning.<br />Okay, is this red eraser yours, friend?<br />No, mine is white.<br />And are these your keys?<br />No, they are Bob's.<br />Well, what's his telephone number?<br />It's 8632901. Oh no, it's 8632901.<br />Excuse me Grace, I lost my eraser this morning.<br />Okay, is this red eraser yours, friend?<br />No, mine is white.<br />And are these your keys?<br />No, they are Bob's.<br />Well, what's his telephone number?<br />It's 8632901. Oh no, it's 8632901.

1. （1） What color is Frank's eraser?

   A . Red B . white C . We don't know
3. （2） Whose keys are these?

   A . Frank's B . Grace's C . Bob's
5. （3） What's Bob's telephone number?

   A . It's 683-2901 B . It's 863-2910 C . It's 863-2901