He always does his homework at eight.(划线提问) ̄ ̄ ̄请帮我解答,而且说明为什么要这么做.
问题描述:
He always does his homework at eight.(划线提问)
 ̄ ̄ ̄
请帮我解答,而且说明为什么要这么做.
答
Who does his homework at eight?
就主语提问