1. —Is this your ruler?(作肯定回答)
    —_______ , _______  _______ .
2. —Is that his book?(作否定回答)
    —_______ ,_______  _______ .
3. —It is her eraser.(改为否定句)
    —It_______ her eraser.

1. This is my pencil. (改为一般疑问句并作否定回答)
     _____ _____ _____ pencil?  No, it _____.
2. Please call Mary.  Her telephone number is 22553654.(合并为一句)
    Please_____Mary_____22553654.
3. that, ID card, your, is(?) (连词成句)
    _____________________________________
4. This is a ruler in English.(对画线部分提问)
    _____________________________________
5.  My mother is fine.(对画线部分提问)
      _____ is_____mother?
6. This is her pen.(改为否定句)
    This_____ _____ her pen.

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）
    _____  _____?