Usages of zhǔnbèi
我们 下个 星期 有 中文 考试， 我 得 好好 准备。Wǒmen xiàge xīngqī yǒu zhōngwén kǎoshì, wǒ děi hǎohāo zhǔnbèi.
We have a Chinese exam next week; I have to prepare well.
Elon.io is an online learning platform
We have an entire course teaching Chinese grammar and vocabulary.