I have put the ? mark at the end but their are still asking me that ...
katotodan please add your code and the submission result. Otherwise it's going to be near impossible to help you.
I don't speak English, so I had problem with understand the task a little 😃 . Here my answer.
export const questionize = (s) => { return s + "?"; };
thaishps This looks good. Have you got any errors on submit?