is sallyd doing her homework
is sallyd doing her homework
She is doing her homework
lily is doing her homework对ding her homework提问
His sister is doing her homework 对her homework 提问
She is doing her homework.改为复数
she is doing her homework.she said
Mary is doing her homework --her desk?填介词
Susan's sister is doing her homework 对doing her homework 画线提
Kate is doing her homework.(改为否定句)
SHE IS [DOING HER HOMEWORK NOW ] 对划线部分 提问
she is doing her homework改为复数句子
she is doing her homework now,分析句子成分?