The typhoon _______ when I _______ some cleaning, A. starts; was doing B. started; was doing C. star...
2022-10-31 13:40:57 23次 牛津译林版20172018学年 8上Unit8grammar练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The typhoon _______ when I _______ some cleaning,
A. starts; was doing B. started; was doing C. starts; were doing D. was starting; was doing
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