英语 高二 填空题 标准

定语从句中介词+关系代词结构 — 英语填空题

沪外教版·英语(高中) 英语选择性必修 第一册 AI 三重审校通过

题目
The seedlings remained healthy in a climate-controlled cabinet. Complete the sentence with a preposition and a relative pronoun: The climate-controlled cabinet ___ the seedlings remained healthy was checked daily.