1. 选出相匹配的句子

A．It's pink and white. B．It's sour. C．It's an egg. D．I can't find my bag. E．No，it isn't.

1. （1） Is this your pencil?
   
3. （2） What's the matter?
   
5. （3） What is it?
7. （4） How is the lemon?
   
9. （5） What colour is it?