I want to study more and become fluent in English sooner
I want to do my best studying and become good at speaking English sooner
どちらでもいいです!
I want to study more and become fluent in English sooner.
to want to study and become fluent = 勉強して、ペラペラになりたい
sooner = 早く
I want to do my best studying and become good at speaking English sooner.
to do your best = 一所懸命頑張る
to want to become good at = 上手になりたい
役に立てば嬉しいです!