The man from whom I bought it told me to oil it.请知的朋友帮忙分析一下这句话,

The man *you played a trick is from Canada.A.to whom B.at whom C.on whom D.whom I think you are the only man-------we can expect good decisions 我写from whom的答案是whom为什么? the man is i nodded to 是不是the man whom is I nodded to的省whom形式.另外还有个：the man to whom is I nodded He is the man whom/ that I saw yesterday whom和t　He is the man whom/ that I saw yesterday whom和that为什么做宾语 the man with whom i shook___(hand)is our manager The man for whom i am looking 这句活对吗? do you konw the man --? A,whom i spoke the man whom I nodded to is Mr.wang可不可以变成：the man to whom I nodded is Mr.wang He is the man whom I invited to the party.这句话中可不可以省略whom the old man whom I am looking after is better 中 只能用whom吗? the man whom i saw told me to come back today.为什么用whom.不用who. He is the man __ I supposed was capable of doing such a thing.who?to whom?of whom?whom? The man from whom I bought it told me to oil it.请知的朋友帮忙分析一下这句话, The man _____ you are waiting is coming soon.A.who B.whom c.from whom d.for that 英语单项选择（最好有详细解释）6. He is a man of great knowledge,___ much can be learned. A. in whom B. about whom C. from whom D. of whom7. Do you know the man___ just now?A. to who I nodded B. I nodded to C. whom I nodded D. wh 问下这个句子里的from whom是什么作用啊? The one from whom I live across the hall I knew the man ( ) A.whom I nodded to;B.I nodded to;此题选哪项 the man whom I know, the man that I know中的whow和that可省略吗?the man whom I know, the man that I know中的whow和that可省略吗?