3 sentences

1. 你是执业医师吗？

   nǐ shì zhí​yè yī​shī ma?

   Are you a practicing physician?

   Source: Tatoeba

2. 她已经取得了律师执业资格。

   tā yǐ​jīng qǔ​dé le lǜ​shī zhí​yè zī​gé.

   She has already obtained her license to practice law.

   Source: Dong Chinese Dictionary

3. 他已经在上海执业多年，是一位资深的律师。

   tā yǐ​jīng zài Shàng​hǎi zhí​yè duō nián, shì yī wèi zī​shēn de lǜ​shī.

   He is a senior lawyer who has been practicing in Shanghai for many years.

   Source: Dong Chinese Dictionary