4 sentences

1. 请保持考场安静。

   qǐng bǎo​chí kǎo​chǎng ān​jìng.

   Please keep quiet in the examination room.

   Source: Dong Chinese Dictionary

2. 因为忘带了证，他没法进入考场。

   yīn​wèi wàng dài le zhèng, tā méi​fǎ jìn​rù kǎo​chǎng.

   He couldn't enter the exam room because he forgot to bring his ID.

   Source: Dong Chinese Dictionary

3. 考生们在终场后陆续离开考场。

   kǎo​shēng men zài zhōng​chǎng hòu lù​xù lí​kāi kǎo​chǎng.

   Examinees left the exam hall one after another after the end of the session.

   Source: Dong Chinese Dictionary

4. 所有的考生都必须准时到达考场。

   suǒ​yǒu de kǎo​shēng dōu bì​xū zhǔn​shí dào​dá kǎo​chǎng.

   All examinees must arrive at the examination room on time.

   Source: Dong Chinese Dictionary