What are you doing now?这个句子的回答里到底TO是怎么用的?What are you doing now?I am lestening to the stereo What are you doing now?I am washing the dishes后者为什么没有TO 而前者有,如果后者加上TO后错误吗?为什么?

what are you doing? What are you doing? what are you doing What are you doing? WHAT ARE YOU DOING? what are you doing? what are you doing和what you are doing区别 what are you doing now, what are you doing?翻译 what are you doing here what+are+you+doing是什么意思 What are you doing there? What are you doing there? what are you doing?today what are you doing中文 what are you people doing? what are you doing?译 Then,what are you doing