A: Bill! Come here quickly!

Bill，快到这来。

B: Mummy, what’s up?

妈妈，怎么了?

A: Let me see your school bag.

让我看看你的书包。

B: I... I forgot it in the classroom.

我......我忘在教室里了。

A: Stop playing the fox. Tell me the truth.

别耍花招了，告诉我真相。

B: I changed it for a toy gun with Ben.

我用它和Ben换了一杆玩具枪。