1. 句型转换

1. （1） I'm looking for my watch．(改为一般疑问句)

          for your watch?

3. （2） My book is in the lost and found box ． (对划线部分提问)

        is book?

5. （3） Is there a pet dog in your home?(变复数形式)
   

       there pet dogs in your home?

7. （4） The boys and girls are now singing and dancing in the classroom．(改为同义句)

        the boys and girls are singing and dancing in the classroom．
   

9. （5） These are her books．(改为同义句)

   These are ．