英语 高一 选择题 较难 时间状语从句 — 英语选择题 外研社版·英语(高中) Unit 3 Family matters AI 三重审校通过 题目 Choose the correct option to complete the sentence: The travellers had already set up their tent ___ the storm arrived, so they stayed safe all night. A. while B. when C. before D. until 登录后查看答案与解析 用此考点生成试卷 更多英语选择题