You are doing your homework at home when your mother comes b

You are doing your homework at home when your mother comes b Are you doing your homework? what is your mother doing at home Are you doing your homework?怎么回答? -Are you doing your homework?-_ when you doing your homework 跟when doing your homework 有什么区别 (1)what is your mother doing at home now? ------you ------your homework now?do/ doing,are/doing ,were/ Please _______ the stereo when you are doing your homework.A when are you doing your homewo When you finish doing your homework ,you must c_____ it. Do your homework at home.