whom has the letter been sent ?sent后面要填一个介词怎么填?如果可以的话把填完后的句子结构和这里牵涉到的语法说明一下.谢了!这里为什么用whom而不用who

whom is the letter Whom is the letter from?什么意思? To whom is the letter addressed是什么句式 whom has the letter been sent ?sent后面要填一个介词怎么填?如果可以的话把填完后的句子结构和这里牵涉到的语法说明一下.谢了!这里为什么用whom而不用who The letter he has been waiting ____ is from his former head teacher.A、for which B、for C、for it D、for whom答案是A,为什么,这个介词 放哪里的啊 ：Where’s the girlhas written a letter in reply.你在评论中批评的那个作者已写了一封回信.：Where’s the girl who sells the tickets?卖票的女孩在哪里?The author whom you criticized in your view has written a letter in repl has he sent the letter?does he send the letter?did he send the letter?三句有何不同如何翻译 英语翻译.1 He is the man about whom we have heard so much.2 The shelf on which you put those books has collapsed.3 From whom did you receive a letter?4 This is the road by which we came. The letter __ I received was from my father,用who,which,whom has he sent the letter? does he send the letter? 有何不同啊,翻译上 He has to deliver the letter by hand. 如何翻译 She has written the letter.改为特殊疑问句 Ted has posted the letter.(改为否定句） she has written the letter这句话对吗? she has to t_____ the letter into Chinese for me The WORD has seven letters.You see its first letter in MOUSE,and last letter in This was returned because the person____this letter was addressed had died three years ago.A.to whom B.to which C.which D.whom who wrote this letter 同义句 whom this letter