英语 高一 选择题 标准

本册语法项目归纳:时态、被动语态等 — 英语选择题

北师大版·英语 GRAMMAR SUMMARY AI 三重审校通过

题目
Choose the correct form of the verb. At 3 p.m. yesterday, the rare map ___ by two experts when the alarm suddenly rang. A. was examined B. was being examined C. has been examined D. had examined