I just passed the 10 grade the year before last. Sending public grain is a cheerful song. You must be cheerful, so that the judges will give you high marks.

The examiner is still kind, there is no need to finish singing. As long as you have confidence, you will succeed. If you have the strength, you'd better play this song faster. After all, it is a cheerful song.

I hope my answer can help you and wish you success.