He feeds the animals(划划线部分提问）划 feeds the animals

He feeds the animals(划划线部分提问）划 feeds the animals
He feeds the animals(划划线部分提问）划 feeds the animals

He feeds the animals(划划线部分提问）划 feeds the animals
划掉部分为 动作 用助动词替代且疑问词为What 因为 feed 是第三人称单数 所以助动词为 does 然后把 What he does 改用 What + 一般疑问句 句式 所以成为
What does he do

What does he do?/

what does he do?