请在十分钟内回答这个问题，好吗？

Qǐng zài shí fēnzhōng nèi huídá zhège wèntí, hǎo ma?

Please answer this question within ten minutes, okay?

你的背包内有什么东西啊？那么重！

Nǐ de bèibāo nèi yǒu shénme dōngxi a? Nàme zhòng!

What is inside your backpack? It's so heavy!

我的屋子内好像有老鼠。

Wǒ de wūzi nèi hǎoxiàng yǒu lǎoshǔ.

There appears to be a mouse in our room.