句型转换：请根据要求做题。每空一词。

1. This is an orange. (改为复数)

   ________ ________ oranges.

2. It's her family photo. (改为同义句)

  It's the ________ ________  her family.

3. My keys are under the desk. (改为一般疑问句)   

________ ________ keys under the book?

4. —Is Lucy's backpack red? (作否定回答)

  —No，__________ ____________.

5. My mother likes chicken for dinner. (对划线部分提问)

  ________ does your mother________ for dinner?