问题描述：
I am Tim (改为一般疑问句并做肯定回答）
Her ruler is white (white做提问）
_____ ______ is her ruler?
Is this a pen?(做否定回答）
No,_____ ______.
Her ruler is white (white做提问）
_____ ______ is her ruler?
Is this a pen?(做否定回答）
No,_____ ______.
问题解答：
我来补答展开全文阅读