I can do和 I can do it 到底哪句正确?

what can I do Nothing can i do what can I do what can I do? what can i do I Can Do i can do I can do Can I do this? I can do How can I do Can you do what I can do? i can make it和i can do Yes i can do it What Can I Do 歌词 What I can do !是什么意思 What can i do it I can do nothing but