Sam is doing his homework(对划线部分提问)
Sam is doing his homework(对划线部分提问)
john is doing his homework.对划线部分提问 划线部分是 doing his homework.
He was doing his homework ai that time.(对划线部分提问)was doing hi
He is doing his homework at the momen.(对划线部分提问)
SHE IS [DOING HER HOMEWORK NOW ] 对划线部分 提问
he is doing his homework.[doing his homework]一般疑问句,否定句,划线提问,
Lin Tao does his homework every evening.(对划线部分提问) 划线部分是does
His sister is doing her homework 对her homework 提问
I am doing my homework.(对划线部分提问)
He does his homework every day.对划线部分提问
His family name is potter.(对划线部分提问)
His uncle is (a writer).(对划线部分提问)