Hello koala_Gu, A very cute koala by the way ;) Just click the question you want to answer and then click again "Answer this question". After typing your answer in the box click 'submit'.

Hi, welcome to Italki, just try to answer briefly at first.

Cherry is right..... However, if it turns otherwise after doing what she said, consult the italki admin. :)

Hi... and welcome here on Italki! Yes you can answer and ask any question about languages here...