明天要考试，我今天晚上要准备。

Míngtiān yào kǎoshì, wǒ jīntiān wǎnshang yào zhǔnbèi.

There's a test tomorrow, so I need to prepare tonight.

你准备好行李了吗？

Nǐ zhǔnbèihǎo xíngli le ma?

Have you prepared your luggage?

老师让我们先准备问题，再上课。

Lǎoshī ràng wǒmen xiān zhǔnbèi wèntí, zài shàngkè.

The teacher asked us to prepare questions first, then have class.