This is Mr.John for whose son I bought a book yeasterday.请帮忙分析一下句子成分为什么关系代词用whose而不用which,介词+which 什么叫关系代词作介词宾语,

定语从句关系词填空This is Mr.John for （ ） son I brought a book yesterday.This is Mr.John for （ ） I brought a book yesterday.（分析） 1、John: Paul, this is Mr Smith, my landlord. Paul: I'm pleased to meet you. Mr Smith: _______. AGo This is Mr Green This is Mr This is Mr John for ___ son I bought a book yesterday.答案为whose 为什么应填此答案难道不是 关系词前有介词，关系词只能是which和whom This is Mr.John for whose son I bought a book yeasterday.请帮忙分析一下句子成分为什么关系代词用whose而不用which,介词+which 什么叫关系代词作介词宾语, 英语翻译This is John speaking This is my friend,John. 将对话补充完整.单词的首字母已经给出.Mr.smith:Hello,can I t______ to Mr.White,please?John:Sorry,he's not at home.Who's t________ speaking?Mr.smith:T______ is Mr.smith speaking.Is t_____ John?John:Yes,uncle smith.my dad went out this m Mr Smith is John's f____.Marry is his daughter. My name is John Smith.You can call me＿＿＿.A.Mr.John B.Mr.Smith C.Mr.Smith John D.Mr So glad that can have this conversation with u.Mr.King,NYU is waiting for u.” this is john speaking的问句 Whose t -shirt is this?It must be john .it 's must be john's ...I t ' s much too small for him.为什么要用much too? John is 什么late for school John Bull' is a nickname for Is this your notebook? Call John 2867963.填空Is this your notebook? Call John ( ) 2867963. Mr.Brown's house is ()Mr.Smith's hourse.A for B near C in D withThe Browns are the Smiths neighbours.　Mr.Browns name is John.But when his neighbors talk about him,they call him Mr.Going-to-do.Do you know why?Mr.Brown always says he is going to do