who broke the window 保持句意不变 ＿＿＿ ＿＿＿ the window was broken?
问题描述：
who broke the window 保持句意不变 ＿＿＿ ＿＿＿ the window was broken?
答
who -whom前面需要用By 来构成完成句意
By whom the window was broken?
希望对你有帮助哦~
答
By whom the window was broken？
答
by whom the window was broken
改主动为被动~sth was done by sb