I found the lecture hard to follow because it __D__ when I arrived. A. started B. was starting C. wo...
2022-09-21 03:50:11 167次 福建省2018-2019学年高二上学期开学考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I found the lecture hard to follow because it __D__ when I arrived.
A. started B. was starting
C. would start D. had started
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