How do you say “I think that my Japanese studies are going well” in Japanese?
I think I have it pretty close but I want to double check. Casual speech is fine 
(Watashi no) nihongo benkyou suru ga jyouzu da to omou”
??????????????????
And in this situation is jyouzu or ii better to use? I know Jyouzu means skillful but I think I’ve seen it used for ‘good’ when talking about language studies:)
‘GO WELL’ = ????? umaku iku
I think that my Japanese studies are going well.
(Watashi wa) watashi no nihongo-gakushuu wa, umaku iku to omoi masu.
(??)????????????????????
or junchou ni susumu to omoi masu.
???????????
-wo suru noga ‘jouzu/tokui’ is…
I’m good at ___ing.
I think I’m good at studying Japanese.
???????????????(jouzu)/??(tokui)???????