There's a book on the desk变一般疑问句并作肯定回答

There's a book on the desk变一般疑问句并作肯定回答 There is a pencil on the desk?（改为一般疑问句并作肯定回答） there is a book on the desk.变否定,变一般疑问句,回答. There is a toy car on the desk.(一般疑问句,并作否定回答） there is a book and aruler on the desk改成一般疑问句,做否定和肯定回答 变成一般疑问句,并作肯定或否定回答.His books are on the desk.____________This There are some books on the desk.(改为一般疑问句,并作否定回答) 1,There is an apple on the desk.[改写一般疑问句,并作回答] there is a bag on the bed改否定句,一般疑问句,并作肯定回答和否定回答 we had a good time there.变一般疑问句,并作肯定回答. There is some beef on the the 改为一般疑问句,并作肯定回答 there is a TV on the desk.变一般疑问句