高三英语同步课程
《完形填空之词语辨析》麻雪玲
点击试听好老师
老师传授典型题详细办法
教学生举一反三
一题多解、一题巧解
错题本
错题追踪复习
听课中的错题能自动加入错题本
课后可方便复习及导出错题本
网络答疑
课程互动性强
互动问答
数理化英快速答疑
课后练习
经典例题课后练习
老师针对课堂中的经典例题
为学生推送同类型题，掌握解题方法
关系代词在定语从句中用作介词宾语时, 介词可放于从句之首, 也可放于从句之末. 但以放于句首较为正式.(介词前置，必须注意不影响动词词组的含义。关系代词who 和 that 用作介词宾语时, 介词必须放在句末.)如:
1. This is the book for which you asked.
=This is the book (that/which) you asked for.
2.Do you know the person with whom I shook hands?= Do you know the person (whom/who/that) I shook hands with?
3. The beginning of agriculture was a big step in human progress with which nothing could compare until our information age.
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