英语 九年级 词汇题 标准 ★ 精品

时间状语从句 when/while — 英语词汇题

外研社版(主编:孙有中)·英语 Unit 3 Past passing by AI 三重审校通过

题目
用 when 或 while 填空,使句子完整通顺(每词限用一次): 1. ______ Lucy was tidying up her room last night, the lights suddenly went out. 2. The old man was taking photos by the river ______ he heard someone calling for help.