i only got 19/19

That's great! You got a perfect score. Well done!

Congratulations! Scoring 19/19 on a test or assessment is a great achievement. Well done! Is there anything specific you would like assistance with, or any questions you have about the test?

That's a perfect score! Congratulations! It seems like you answered all the questions correctly. Is there anything specific you would like me to explain or help you with regarding your perfect score?