I finish doing my homework.I have done my homework.两句话有什么区别,

I finish doing my homework.I have done my homework.两句话有什么区别, I am doing my homework和i am working on my homework有什么区别? I have some problem (finish) my homework I have _____(finish) my homework. I have to finish my homework ( )science. I ____just____(finish) my homework when I finish () my homework I have my homework "I have finished my homework."和“I finished my homework."有区别吗 As soon as I_____(finish) doing my homework, I will have a h I'm doing my homework.对doing my homework提问 I have to finish my homework ( )nine o'clock.