对划线部分提问（（画括号的是对···提问）The Young Pioneers are helping the old man(对the old man提问)The students are preparing for the exam.(The stuents提问）Her mother was cooking when she came in.(cooking) The girls and t
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对划线部分提问（（画括号的是对···提问）The Young Pioneers are helping the old man(对the old man提问)The students are preparing for the exam.(The stuents提问）Her mother was cooking when she came in.(cooking) The girls and t
对划线部分提问（（画括号的是对···提问）
The Young Pioneers are helping the old man(对the old man提问)
The students are preparing for the exam.(The stuents提问）
Her mother was cooking when she came in.(cooking)
The girls and te boys were singing under the tree.(under the tree)
对划线部分提问（（画括号的是对···提问）The Young Pioneers are helping the old man(对the old man提问)The students are preparing for the exam.(The stuents提问）Her mother was cooking when she came in.(cooking) The girls and t
The Young Pioneers are helping the old man(对the old man提问)
Who/ Whom are the Young Pioneers helping?
The students are preparing for the exam.(The stuents提问）
Who are preparing for the exam?
Her mother was cooking when she came in.(cooking)
What is her mother doing when she came in?
The girls and te boys were singing under the tree.(under the tree)
Where are the girls and the boys singing?