He wants to know ___ ask about Father Christmas.
问题描述：
He wants to know ___ ask about Father Christmas.
A.to who B.to whom C.whose to D.whom to
最重要是解释 .
选项B和D 的区别 并举例。
He wants to know whom / to ask about Father Christmas.是不是可以这样分
答
D. whom to 这是“特殊疑问词+动词不定式”的结构,通常可以改为宾语从句,如：He wants to know whom/who he should ask about Father Christmas.He doesn't know what to do.=He doesn't know what he should to do....