------you ------your homework now?do/ doing,are/doing ,were/

------you ------your homework now?do/ doing,are/doing ,were/ Are you doing your homework? Are you doing your homework?为什麽不能用Do you doing... Are you doing your homework?怎么回答? -Are you doing your homework?-_ what (is are )you (do doing ) now Are your brother doing homework?这句哪错了 Do you watching TV.这句哪 Do you doing your homework?——NO,I'm doing my homework.I'm wa -What are you doing?-Doing my homework.还是-Do my homework. what are you doing （Are you doing your homework?）怎么回答用英文 what are you doing?I ____(do)my homework. now 什么 are doing 什么 homework