Did you prepare for the proficiency test?

你准备英语能力测验了吗？

Have you ever taken a Chinese Proficiency Test?

你参加过中文能力测验吗？

To get the job he has to pass a proficiency test .

为得到这份工作他必须通过水平考试。

I'm really depressed about my proficiency test grade.

我的能力测试成绩真的很令我失望。

Finally the subjects took a language proficiency test.

最后，这些实验对象们参加一次语言水平测试。