变成一般疑问句,并作肯定或否定回答.His books are on the desk.____________This is my eraser________

问题描述:

变成一般疑问句,并作肯定或否定回答.His books are on the desk.____________This is my eraser________

are his books are on the desk.?____yes,they are. No,they aren't________
is this your eraser_? yes ,it is , no,it isn't_______

Are his books on the desk?
Yes they are.
No.they aren't.
Is this your eraser?
Yes,it is.
No,it isn't.