is sallyd doing her homework

is sallyd doing her homework She is doing her homework的提问 排列is,her,doing,what,mother She is doing her homework.改为复数 Mary is doing her (c ) honework His sister is doing her homework 对her homework 提问 Mary is doing her homework --her desk?填介词 lily is doing her homework对ding her homework提问 she is doing her home work 对doing her home work提问 She is doing her homework 改为复数句子 SHE IS [DOING HER HOMEWORK NOW ] 对划线部分 提问 she is busy doing her homework now 同义句 She is doing her homework.（改为复数句子） she is doing her homework改为复数句子 she is doing her homework.she said宾语复合句 就括号部分提问She [is doing] her homework now. is/her/doing/what/mother连词成句 Kate is doing her homework.（改为否定句）