问题描述：
I am your friend.变为否定句 You are in the classroom.变为一般疑问句 The baseball is on the desk.
I am your friend.变为否定句
You are in the classroom.变为一般疑问句
The baseball is on the desk.变为一般疑问句
Nancy is jack's father's father.变为一般疑问句
I am your friend.变为否定句
You are in the classroom.变为一般疑问句
The baseball is on the desk.变为一般疑问句
Nancy is jack's father's father.变为一般疑问句
问题解答：
我来补答展开全文阅读