They are cleaning the room now变为特殊疑问句
They are cleaning the room now变为特殊疑问句
They are cleaning the room now.改成被动语态
They are cleaning the room 对 cleaning the room提问
They are cleaning the room .改为一般疑问句并作否定回答
They are cleaning the room 对 the room提问
改特殊疑问句They are dancing now.
the girls are (cleaning the room) now.对括号提问
We are cleaning the room now改为否定句
We are sweeping the room特殊疑问句
They are (cleaning the room).对括号里面的提问.
将They are cleaning the window.改为一般疑问句
They are cleaning the classroom.(改为一般疑问句)