请问i'm good at swiming 中 AT SWIMING是作状语还是宾语 it's good for you

请问i'm good at swiming 中 AT SWIMING是作状语还是宾语 it's good for you go swimming里哪个是动词?是is good at going swiming还是is good at go s Tom is good at swiming.同义句 -I'm not good at singing,you know.-_____.It's just for jun. 在句子中,是“going swiming”还是“go swiming”为什么? I'm no good at it.与I'm not good at it.的区别. It's good for us to (s ) at noon I'm not good ____是to speak 还是at speaking还是at speak 翻译：It 's not at all good for our health. It ' s not good for it's not at all good for our health能说成it's not good for our I am good at it. I'm ( )good at dancing