英语 九年级 词汇题 标准

by the time引导的从句 — 英语词汇题

人教版·英语(初中) Unit 12 Life is full of the unexpected. AI 三重审校通过

题目
按括号内要求改写句子:Lisa reached the concert hall. The singer had begun to perform. (用 by the time 将两个句子合并为一句,要求体现事件先后顺序)