on whom引导什么从句

whom可以引导定语从句，修饰表示人的先行词.

例句

To whom did she address the letter?

那封信她是写给谁的？

To whom should I address the letter?

这封信我该写给谁呢？

To whom should I write?

我应该把信写给谁？

Whom did they invite?

他们邀请谁了？

Whom did he expect to answer his phone?

他原来以为谁会接他的电话？

He asked me with whom I had discussed it.

他问我和谁讨论过此事。

\"I want to send a telegram.\"—\"Fine, to whom?\"

“我想发个电报。” — “好的，给谁？”