6 sentences

1. 他的英语口语非常流利。

   tā de Yīng​yǔ kǒu​yǔ fēi​cháng liú​lì.

   His spoken English is very fluent.

   Source: Dong Chinese Dictionary

2. 他的英语口语表达非常顺畅。

   tā de Yīng​yǔ kǒu​yǔ biǎo​dá fēi​cháng shùn​chàng.

   His spoken English is very fluent.

   Source: Dong Chinese Dictionary

3. 韵律特征在口语交际中起着关键作用。

   yùn​lǜ tè​zhēng zài kǒu​yǔ jiāo​jì zhōng qǐ zhe guān​jiàn zuò​yòng.

   Prosodic features play a key role in oral communication.

   Source: Dong Chinese Dictionary

4. 他在这个暑假报名参加了中文口语培训班。

   tā zài zhè gè shǔ​jià bào​míng cān​jiā le Zhōng​wén kǒu​yǔ péi​xùn​bān.

   He signed up for a Chinese speaking training class this summer vacation.

   Source: Dong Chinese Dictionary

5. 你的汉语口语说得真棒，听起来完全像个本地人。

   nǐ de Hàn​yǔ kǒu​yǔ shuō de zhēn bàng, tīng qi​lai wán​quán xiàng gè běn​dì​rén.

   Your spoken Chinese is excellent; you sound just like a native speaker.

   Source: Dong Chinese Dictionary

6. 他虽然极力辩解，但还是难逃众人的口语。

   tā suī​rán jí​lì biàn​jiě, dàn hái​shi nán táo zhòng​rén de kǒu​yǔ.

   Despite his vigorous defense, he could not escape people's gossip.

   Source: Dong Chinese Dictionary