改成同义句 This is my grandfather and this is my grandmother.___ my ___.

this is my ring改成同义句 This is my ball.改成同义句 改成同义句 This is my grandfather and this is my grandmother.___ my ___. This chair is orange.(改成同义句) whose is this dog(改成同义句) Is this your book 改成同义句 Is this his pen 改成同义句 This pen is his改成同义句 My name is Tom 改成同义句! This is my comb（改成同义句）This__________ ____________ ______________. This is my dress.改成复数句. this is my eraser.改成否定句 this is my ruler改成否定句 this is my desk改成复数句 同义句转换This is my book. This is my book改为同义句 this is my pen的同义句 this is my pen 改为同义句