Question

【题目】The pen ___________ he is writing is mine.

A. with which B. in which

C. on which D. by which

Answer 1

【答案】A

【解析】with which是＂介词＋关系代词＂结构，常用来引导定语从句。with有＂用＂的意思，介词之后只能用which，不能用that。with which在定语从句中作状语，即＂he is writing with a pen.＂。