英语 八年级 词汇题 较难 含情态动词的被动语态 — 英语词汇题 沪教版·英语(初中) Unit 5 Saving animals in danger AI 三重审校通过 题目 Complete the sentence with the correct form of the words in brackets: To keep the rescued bears safe, they must not ______ (单独留下:leave alone) during the journey. 登录后查看答案与解析 用此考点生成试卷 更多英语词汇题