He was doing his homework ai that time.(对划线部分提问)was doing hi
He was doing his homework ai that time.(对划线部分提问)was doing hi
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.
jack was doing his homework at that time
He is doing his homework at the momen.(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,
he said what he was doing his homework
He fell asleep while (he was) doing his homework
he said what he was doing his homework是什么句式
改被动语态He was doing his homework at this time yesterday .
SHE IS [DOING HER HOMEWORK NOW ] 对划线部分 提问
I am doing my homework.(对划线部分提问)