l'm reading a book 对 reading a book 部分进行提问
l'm reading a book 对 reading a book 部分进行提问
she is reading a book对reading a book提问
He is reading a book.(对划线部分提问)reading a book划得线.
Mark is reading a book in his bedroom.(对划线部分提问) (reading a b
I am reading a book at home对划线部分提问 划线部分是reading a book
I am reading a book .对reading提问
My sister is reading a book.就划线部分提问reading a book是画线部分
I'm reading a book.划线提问,如果划了reading a book,应该怎么问?
she is reading a book now.对reading a book 提问
His brother is reading a story book 对reading a story book 提问
The boy is reading a book.(划线部分提问)
The children are reading (a book about a farm)对划线部分提问