()your sister ()(do)her homework now?

()your sister ()(do)her homework now? Her sister doing her homework now.改错 Please (do) your homework now Before I get home,you can help your sister do her homework.( her sister do her homework in the evening（改错） You must do your homework now,Sam. do your homework now 否定祈使句 原因 Do your homework now.改否定祈使句 Do your homework now.(改否定句) ___（not do）your homework now. What ___ your sister ___(do)now? Does your sister——（do）her homework every day.用动词的正确形式填空