按要求改写下列句子.
问题描述：
按要求改写下列句子.
1.This is Nancy's school.（改成疑问句并作否定回答）
2.That is her dog.（改成否定句）
3.Don't drink orange juice.（改成肯定句）
4./Nancy's/ book is white.（对标注部分提问）
5.Her pen is /on the desk/.（对标注部分提问）
答
1.Is this Nancy's school?No,it isn't.
2.That isn't her dog.
3.Drink orange juice.
4.Whose book is white?
5.Where is her pen?