there is a book on the desk.变否定,变一般疑问句,回答._英语解答

there is a book on the desk.变否定,变一般疑问句,回答.

人气：204 ℃　时间：2019-09-17 01:21:57

解答

There isn't a book on the desk.
Is there a book on the desk?
Yes,there is.
No,there isn't.