A. No, you don't have to use challenging IELTS vocabulary in the cue card part. While a wide vocabulary is helpful, it is more necessary to concentrate on conveying your ideas and thoughts clearly. It is advised to utilise terminology you are familiar with that is clear and succinct. Making blunders or becoming confused can result from using complicated jargon that you are unfamiliar with. It is preferable to utilise words that you are comfortable and capable of using correctly. However, it can improve your language score if you are able to use some higher-level terminology in a natural and suitable way. Showcasing your ability to speak clearly and eloquently is the most crucial component.