句式变换。
This is a black pen.(对划线部分提问)
_______ ________ this?
My jacket is black and white. (对划线部分提问)
_______ _________ is _______ jacket?
It’s an orange ruler.(改为同义句)
The ruler _______ ________.
This is my pencil.(一般疑问句，并作否定回答)
______ this _________ pencil?
No, ______ ________.
These are my books. (一般疑问句，并作肯定回答)
______ these ___________ books?
Yes, ______ _________.