3 sentences

1. 他的祖父曾在中国传教多年。

   tā de zǔ​fù céng zài Zhōng​guó chuán​jiào duō nián.

   His grandfather had been a missionary in China for many years.

   Source: Dong Chinese Dictionary

2. 你在哪里传教？

   nǐ zài nǎ​lǐ chuán​jiào?

   Where do you preach?

   Source: OpenSubtitles

3. 那位传教士去遥远的山区传教。

   nà wèi chuán​jiào​shì qù yáo​yuǎn de shān​qū chuán​jiào.

   That missionary went to remote mountain areas to preach.

   Source: Dong Chinese Dictionary