the students qre cleaning the room 画线部分提问 my sister is listening to the teacher 变一般疑问句my borther is reading a book 改为否定句
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What are the students doing (对 cleaning the room 提问)
Is your sister listening to the teacher
My brother isn't reading a book .
======以下答案可供参考======
供参考答案1:
没有划线部分
What are the students doing?
Who are cleaning the room?
What are the students cleaning?
Is your sister listening to the teacher?
My brother isn't reading a book.
亲：祝你学习进步！望采纳，谢谢！