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 .
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
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
my borther is reading a book 改为否定句
英语人气：736 ℃时间：2020-04-29 18:29:07
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