I disagree with some of Alan's corrections. There's no problem with saying "learning." See my corrections below:
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College and some other things.
This is my second year in college but it's my first year learning English seriously. It's not so easy. Sometimes I feel dissapointed cause I'm not in at a high level but I think sometimes it's normal to feel it that way. But that doesn't stop me to from continuing to learn.---
Good job! Remember that "cause" is a really informal way of saying "because." You should not use "cause" for any formal writing. Also it's not normal to use a period in a title.
College and some other things.
This is my second year in college but it's my first year to learn English seriously. It's not so easy. Sometimes I feel disappointed because I'm not in a high level but I think sometimes it's normal to feel that way. But that doesn't keep me from continuing to learn.
This Friday I will have a presentation about natural disasters and I will talk specifically about thunderstorms. Talking about topics like this is not very easy because there are many unknown words for me. Moreover, it's [talking is] good for my vocabulary.
Thanks for reading this. Tell me if I made any mistakes, please. Have a good day.