How to attain my certificate in html i have finished the lesson but they said finish lesson to unlock certificate

Question

Html

Answer 1

I completed it but they say no
So i dont think it can be completed
They did not give me a certificate

Answer 2

Email the app developer

Answer 3

Can you complete html course yes or no

Answer 4

Tell me yes or no

Answer 5

Ok

Answer 6

I dont know

Answer 7

Plz i need help guys

Answer 8

It writes you haven't finished the course yet, the progress bar isn't at the end.