do you know whom the radio is invented by 这个句子对吗?

Do you know the boy to whom she was talking=Do you know the boy who she was talking Do you know the girl whom Tom is talking to?Do you know the girl to whom Tom is talking?Do you know the girl whom Tom is talking to? Do you know to whom the woman were takling对吗?Do you know to whom the woman were takling?对吗,老师这么讲的,但我觉得应该是Do you know whom the woman were takling to? Do you know the girl with whom our English teacher is talking?先行词为什么用whom. do you know the girl with whom kate is talking 为什么连词要用whom 用that你可以吗? Do you know by whom the light bulb was invented? by whom是怎么理解的 再举些例子吧! 急! 这句话中with whom的作用是什么?Do you know the young lady with whom your mother is talking? Do you know the young lady____your mother is talking这里为什么用with whom 单选do you know the man___ is sitting behind Nancy?who whom Do you know the man,with whom my teacher just shook hands 翻译 Do you know the girl（ ）istalking with Ben? 用who 还是whom Do you know the girl __is sitting there ,reading who还是 whom Do you know the gail with whom Kate is talking?这句话如何短句 do you know whom the radio is invented by 这个句子对吗? do you know the person to whom I am talking.为什么不用who -Do you know the tall boy__you worked yesterday?-Do you know the tall boy__youworked yesterday?-sure.He plays tennis very welll,and often_mein tennis.a.whom;beats b.who;wins c.with whom;beats d.whom;wins Do you know the little boy ( )is helping the old man cross the road A.which B.who C.whom Do you know whose bag it is?(改为同义句） Do you know _______ the bag _______ _________?第一个空是whom还是who