we are doing homework对doing homework提问
we are doing homework对doing homework提问
the are doing their homework.对doing their homework提问
We are doing our homework.(doing our homework划线)划线提问
I'm doing my homework.对doing my homework提问
We are doing our homework now.
lily is doing her homework对ding her homework提问
His sister is doing her homework 对her homework 提问
A and B are doing their homework. 对A and B提问 答案who is doing
We are doing our homework.中doing是助动词?
They are doing their homework?对doing their
用doing their homework提问
I'm busy doing my homework 对doing my homework 提问