3 sentences

1. 他曾是一名到农村插队的知青。

   tā céng shì yī míng dào nóng​cūn chā​duì de zhī​qīng.

   He was once an 'educated youth' who was sent to the countryside.

   Source: Dong Chinese Dictionary

2. 他年轻时曾在陕北农村插队落户。

   tā nián​qīng shí céng zài Shǎn​běi nóng​cūn chā​duì luò​hù.

   When he was young, he went to settle in a rural area in Northern Shaanxi as an educated youth.

   Source: Dong Chinese Dictionary

3. 请大家按顺序排队，不要插队。

   qǐng dà​jiā àn shùn​xù pái​duì, bù yào chā​duì.

   Please line up in order; don't cut in line.

   Source: Dong Chinese Dictionary