1. It's my backpack.（改为一般疑问句）    
     _____ _____ your backpack?
2. It's a black cat.（改为否定句） 
    It _____ _____   a black cat.    
3.Is this a dictionary?（作否定回答） 
   _____, it  _____  . 
4. This is a white ball.（改为同义句）
    This ball _____ _____  ．
5. It's a blue ruler.（对画线部分提问）
    _____  _____?

1. Is Jenny your cousin? (作否定回答)
    No,  _____ _____ 
2. This is an English family. (改为复数句)
    These _____ English _____ .
3. Those are orange pencils. (改为单数句)
     _____ is _____ orange pencil.
4. These are his pencil sharpeners. (改为否定句)
    These  _____ _____ his pencil sharpener.
5. My pencil case is in my backpack. (对划线部分提问)
    _____ _____ your pencil case?
6. His books are   blue   . (对划线部分提问)
   _____ _____ are his books?
7. My brother has a tennis. ( 改为否定句)
    My brother _____  a tennis.
8. I have a ball collection. (改为一般疑问句)
    _____ have a ball collection?
9. Are those your sisters? (做肯定回答).
    _____ , _____  _____ 
10. This is my father and this is my mother. (改为同义句)
      These _____ my_____ .