Yes,it is(I,my)eraser

Yes,it is(I,my)eraser --is that( )eraser?--yes,it,s( )eraser. Is this an eraser?yes,it is are----- ------.yes------ ------ It is my red eraser 改为同义词 It is my eraser.改否定句 (yes,it is)(ls it an eraser)(no,it isn't)(ls it your pencil That is my eraser. (yes,it is.)(ls it an eraser)(no,it isn't.)(ls ie your penci It is an eraser? It is an eraser. It is my red eraser.(改为同义句)_____eraser_____ ____. It is my red eraser.同义句是什么