Question

I saw a woman running toward me in the dark.Before I could recognize who she was,she had run back in the direction____she had come.

A．of which

B．by which

C．in which

D．from which

Answer 1

D

试题分析：对于定语从句中关系词的选用根据先行词及关系词在定语从句中所做的成分来确定，而这里四个选项关系词都是which，不用再进行选择；关系词前面的介词的选用与先行词和后面的定语从句的动词有关，这里定语从句中的动词come与它连用的介词是from，表示“来自” 符合题意，故选D
点评：定语从句是近几年高考热点，尤其关系词的选择尤为重要，也是高中的一个重点语法项目。
即学即练：They are looking for the patient ____doctors just performed an operation .
A.of whom         B.by whom       C.in whom           D. on whom
解析：D 句意：他们正在寻找那位医生刚刚给他做过手术的病人。