how can i do 和what can I do哪个表述更地道?

how can i do 和what can I do哪个表述更地道? what can i do 和how can i do What can I do better 和How can I do better? ( ) can i do?填what 还是how what can I do Can you do what I can do? do you think what i can do? 和what do you think i can do ?谁能帮 I‘m not happy.How can I do?还是What can I do? how can i do something all i can do与I can only do的语气哪个更强,为什么 How can i do 与what can i do啥区别啊 What Can I Do 歌词