Whose pencil box is this?
这是谁的铅笔盒
It's Wang Ling's.
这是王玲的
Whose book is this?
这是谁的书
It's Peter's.
这是彼得的
Whose pencils are these?
这些是谁的铅笔
They are Ken's.
它们是肯恩的
Whose eraser is this?
这是谁的橡皮擦
It's Ann's.
这是安的
Whose watch is this?
这是谁的手表
It's yours.
这是你的