I didn't know there is a space to write something in English at Level Up Academy.

-->I didn't know that there is a space to write something in English at Level Up Academy.

 Almost two weeks have passed since I had a class with my teacher Thessa, I didn't imagine that I could have another way of communication with her besides speaking.

--> Almost two weeks have passed since I had a class with my teacher Thessa, I didn't imagine that I could have another way of communicating with her besides speaking.

But still, I don't well how I can use this space.

Can I write here anything without limit of lengh or subject?

And how can I get a correction of feedback for my writing?

-->And how can I get a correction or feedback on my writing?

And who will do the correction for me, Thessa or someone else?

I might be asking about trivial matter but I am really happy to have a chance to express what I feel or think in English and being corrected my grammatical and sentece mistake.

--> I might be asking about trivial matter . I am really happy to have a chance to express what I feel or think in English and being corrected on my grammar and sentence mistake.

or I might be asking about trivial matter. I am really happy to have a chance to express what I feel or think in English and having some corrections on my grammar structures.

Thank Level Up for giving me such a great opportunity to enjoy English.

-->Thanks Level Up for giving me such a great opportunity to enjoy/learn English.