Did you take IELTS in the past when you applied for your spouse visa? If yes and you have a grade of 4.0 or above in both speaking and listening, then you don't need to retake the test. If not, then you need to take a new English test.
-=rayna.keith=- ...When you realize you want to spend the rest of your life with somebody, you want the rest of your life to start as soon as possible...