B Let's talk 一起说吧
Sarah, can you help me, please? 萨拉，我能帮你吗？
OK. 好。
Whose coat is this? 这件外套是谁的？
It's mine. 我的。
And those? Whose pants are those? 那些呢？那条裤子是谁的？
They're your father's. 那些是你爸爸的。
Oh, no! Sam! 哦不！萨姆！
You're funny! 你好搞笑！