从早上八点至中午十二点，我们都有课。

Cóng zǎoshang bā diǎn zhì zhōngwǔ shí'èr diǎn, wǒmen dōu yǒu kè.

From eight in the morning to twelve at noon, we have classes.

从学校至地铁站走路只要十分钟。

Cóng xuéxiào zhì dìtiězhàn zǒulù zhǐyào shí fēnzhōng.

It only takes ten minutes to walk from the school to the subway station.