i want to find the very pen _____which i wrote that letter 填什么介词 为什么

问题描述:

i want to find the very pen _____which i wrote that letter 填什么介词 为什么

with
将从句改写成句子,应该为:I wrote that letter with the pen
所以用with,和which一起引导定语从句,修饰pen