谁能告诉我Are you good enough

谁能告诉我Are you good enough 谁能告诉我You are a cool 有道理， 谁能告诉我You are who I thinking of how are you feeling nowA.much better B.thanks a lot C.you are right D.very good我一直在AD中徘徊,谁能告诉我为什么,thanks w谁能告诉我Who are you 与who you are的区别?分别在什么情况下使用? 谁能告诉我doubt的用法?DOUBT后面加that是不是 不相信 的意思?例,i doubt that you are a good man那后面加weather和if又是什么意思呢? Teacher you are good, You are very good you are very good You are good~ you are my good really,you are good You are evry good you are a good you are good husband Are you good with Are you good -------it? YOU ARE GOOD?