This is ________ eraser.Is it ________ eraser?

This is ________ eraser.Is it ________ eraser? what is this?It is eraser病句 This is eraser,eraser is in It is an eraser? It is an eraser. --is that( )eraser?--yes,it,s( )eraser. 是This eraser is mine还是This eraser is my? This is her an eraser.与This is her eraser. is this your an eraser? I guess this is eraser. this is eraser的意思 Is this an eraser?yes,it is are----- ------.yes------ ------