I must do it !I can do it !I will do it !什么意思

I must do it !I can do it !I will do it !什么意思 “I am Yi,I will do what I promised,I must do it,because I can do!EVERYTHING Can we go out to play basketball now?( )I must finish my homework.a.I can make it.B.i can do itc.i can not make it.D.i can not do it要理由的 Yes i can do it What can i do it Maybe I can do it I do it because I can do it,I can do it because I I believe I can do it you can do it so can I how can i do it it If you can do it ,I can do it .翻译.. Must I do my homework now No,you .you can do it later 填donnot have to 为什么 I (I)can do it .I needn't your help i can make it和i can do i can just do it---i just can do it---just i can do it这三个哪个正确? I believe you can do it是什么意思 I think you can do it ( )(you) I can do it without______.(some help)