Is this your duck?(改为复数句)

Is this your duck?(改为复数句) Is,this,your,dictionary?(改陈述) is this your computer 改肯定句 Is this your computer?改肯定陈述句. This is your mother改同义句 Is this your suit 改否定句 This is your...改一般疑问句怎么改? -Ia this your bike?-Yes,this is怎么改 This is my pencil ,and that is your.改病句 Is this your model plane?(改同义句） This is your red coat.改为同义句,怎么改? This new scarf is for your brother改同义句 Is this your backpack?改成否定句怎么改 Is this my room?Not,your room is Number 12改病句 英语 改复数句This is a pen.Is this your backpack?It's a black bag is this your skirt this is your Maybe this is your