Oh Hi or rather welcome back
how did I improve my English ????? wellll
English for me is like a big inviting glass of water and I am a small tiny creature beside it but very thirsty that one drop of it won't quench my thirst even if it seems enough to me- compared to my size - or to anyone who can tell.l

hahah I suppose that didn't help at all , but keep on thinking that you need alto to learn not attracted to your idea of how much you've achieved that might stop you from going further as long as you think your good
And turn your life into English ; speaking in front of the mirror
imitating native speakers , reading stuff in engish , gathering vocab and USING them
all of these are such helpful ways to become good and they are apart from preparing yourself to the exam coz that is another subject