3 sentences for 操 (cāo — drill)

1. 操场上有很多学生在跑步。

   cāo chǎng shàng yǒu hěn​duō xué​sheng zài pǎo​bù.

   There are many students running on the playground.

   Source: Dong Chinese Dictionary

2. 曹操是东汉末年的著名政治家。

   Cáo cāo shì Dōng​hàn mò​nián de zhù​míng zhèng​zhì​jiā.

   Cao Cao was a famous statesman at the end of the Eastern Han Dynasty.

   Source: Dong Chinese Dictionary

3. 清晨的校园里，学生们正在操场上做操。

   qīng​chén de xiào​yuán lǐ, xué​sheng men zhèng​zài cāo chǎng shàng zuò​cāo.

   In the early morning, students are doing exercises on the school playground.

   Source: Dong Chinese Dictionary