He put his book on the desk.(改为否定句,和一般疑问句)
问题描述：
He put his book on the desk.(改为否定句,和一般疑问句)
答
He did not put his book on the desk
Did he put his book on the desk？
有不明白的地方再问哟，祝你学习进步，更上一层楼！ (*^__^*)
答
He didn't put his book on the desk
Did he put his book on the desk?
祝你学习进步
答
否定句：He didn't put his book on the desk.
一般疑问句：Did he put his book on the desk?