i am doing my homework 为什么这里的do加ing?

i am doing my housework.对doing my housework提问 i am doing my homework,bye英语翻译 I am doing my homework.Bye 翻译 I am doing my homework.中谓语部分是am还是am doing? I am doing my homework ( r ) nowI am doing my homework r() now while my mother ________(cook).I am doing my homework. Am i doing my homework at home?一道连词成句题原题是I doing homework home am at________________________________________? I am doing my homework中哪个是谓语,am还是doing? I am doing my homework和i am working on my homework有什么区别? i am doing my homework w_____my brother is watching TV I am doing my homework.(对划线部分提问) I am doing my homework.变成一般疑问句是什么? I am doing myhomework with my friend同义句 The boy said,I am doing my homework.间接引语 I am doing my homework .What is it about? I am doing a very important thing in my life I am doing my homework.对doing my homework.提问是( )you( ). I am doing well.