[영문법] 수동태 기출문제 및 정답 다운

[영문법] 수동태 기출문제 및 정답 다운 [기출 종합문제] 1. Once I began writing my essay at 2:30 a.m.

At that time, I was proud of my material [I had gathered / had been gathered]. 2. That is what [.....